diff --git a/.eslintrc.js b/.eslintrc.js
index d2cc01f..90b4f48 100644
--- a/.eslintrc.js
+++ b/.eslintrc.js
@@ -26,7 +26,8 @@ module.exports = {
       },
       "rules": {
         "no-console" : "off",
-        "no-empty" : ["warn", { "allowEmptyCatch": true }]
+        "no-empty" : ["warn", { "allowEmptyCatch": true }],
+        "no-prototype-builtins" : "off"
       }
     }
   ]
diff --git a/README.md b/README.md
index 8f3b4a4..fe77cc8 100644
--- a/README.md
+++ b/README.md
@@ -62,7 +62,7 @@ by running `npm remove midi-test --save-dev`.
 ##### CDN
 
     <script src="https://cdn.jsdelivr.net/npm/jzz"></script>       // the latest version, or
-    <script src="https://cdn.jsdelivr.net/npm/jzz@0.8.2"></script> // any particular version
+    <script src="https://cdn.jsdelivr.net/npm/jzz@0.8.3"></script> // any particular version
     //...
 
 ##### CommonJS (Browserify and Node.js command line applications)
diff --git a/javascript/JZZ.js b/javascript/JZZ.js
index a6027d3..ab10940 100644
--- a/javascript/JZZ.js
+++ b/javascript/JZZ.js
@@ -13,7 +13,7 @@
 })(this, function() {
 
   var _scope = typeof window === 'undefined' ? global : window;
-  var _version = '0.8.2';
+  var _version = '0.8.3';
   var i, j, k, m, n;
 
   var _time = Date.now || function () { return new Date().getTime(); };
diff --git a/minified/JZZ.js b/minified/JZZ.js
index bc228c9..6a6884f 100644
--- a/minified/JZZ.js
+++ b/minified/JZZ.js
@@ -1 +1 @@
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r=V._pool[V._outArr.length];n.plugin=r,V._outArr.push(n),V._outMap[e]=n}if(!n.open){var i=n.plugin.MidiOutOpen(e);if(i!==e)return i&&n.plugin.MidiOutClose(),void t._break();n.open=!0}v((t._orig._impl=n).clients,t._orig),t._info=n.info,t._receive=function(t){n._receive(t)},t._close=function(){n._close(this)}},V._openIn=function(t,e){var n,r=V._inMap[e];if(!r){V._pool.length<=V._inArr.length&&V._pool.push(V._newPlugin());(r={name:e,clients:[],info:{name:e,manufacturer:V._allIns[e].manufacturer,version:V._allIns[e].version,type:"MIDI-in",sysex:V._sysex,engine:V._type},_close:function(t){V._closeIn(t)},_closeAll:s,handle:function(t,e){for(var n=0;n<this.clients.length;n++){var r=at(e);this.clients[n]._emit(r)}}}).onmidi=(n=r,function(t,e){n.handle(t,e)});var i=V._pool[V._inArr.length];r.plugin=i,V._inArr.push(r),V._inMap[e]=r}if(!r.open){var o=r.plugin.MidiInOpen(e,r.onmidi);if(o!==e)return o&&r.plugin.MidiInClose(),void 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t=0;t<this.clients.length;t++)this._close(this.clients[t])}V._type="webmidi",V._version=43,V._sysex=!!e,V._access=t,V._inMap={},V._outMap={},V._outsW=[],V._insW=[],V._refresh=function(){V._outs=[],V._ins=[],V._access.outputs.forEach(function(t){V._outs.push({type:V._type,name:t.name,manufacturer:t.manufacturer,version:t.version})}),V._access.inputs.forEach(function(t){V._ins.push({type:V._type,name:t.name,manufacturer:t.manufacturer,version:t.version})});var t=U(V._insW,V._outsW,V._ins,V._outs);if(t){var e;for(u=0;u<t.inputs.removed.length;u++)(e=V._inMap[t.inputs.removed[u].name])&&e._closeAll();for(u=0;u<t.outputs.removed.length;u++)(e=V._outMap[t.outputs.removed[u].name])&&e._closeAll();V._insW=V._ins,V._outsW=V._outs,n&&G(t)}},V._openOut=function(t,e){var n,r=V._outMap[e];r||(r={name:e,clients:[],info:{name:e,manufacturer:V._allOuts[e].manufacturer,version:V._allOuts[e].version,type:"MIDI-out",sysex:V._sysex,engine:V._type},_close:function(t){V._closeOut(t)},_closeAll:o,_receive:function(t){r.dev&&t.length&&this.dev.send(t.slice())}}),V._access.outputs.forEach(function(t){t.name===e&&(n=t)}),n?(r.dev=n,(V._outMap[e]=r).dev.open&&r.dev.open(),v((t._orig._impl=r).clients,t._orig),t._info=r.info,t._receive=function(t){r._receive(t)},t._close=function(){r._close(this)}):t._break()},V._openIn=function(t,e){var n,r,i=V._inMap[e];if(i||(i={name:e,clients:[],info:{name:e,manufacturer:V._allIns[e].manufacturer,version:V._allIns[e].version,type:"MIDI-in",sysex:V._sysex,engine:V._type},_close:function(t){V._closeIn(t)},_closeAll:o,handle:function(t){for(var e=0;e<this.clients.length;e++){var n=at([].slice.call(t.data));this.clients[e]._emit(n)}}}),V._access.inputs.forEach(function(t){t.name===e&&(n=t)}),n){i.dev=n;i.dev.onmidimessage=(r=i,function(t){r.handle(t)}),(V._inMap[e]=i).dev.open&&i.dev.open(),v((t._orig._impl=i).clients,t._orig),t._info=i.info,t._close=function(){i._close(this)}}else t._break()},V._closeOut=function(t){var e=t._impl;y(e.clients,t._orig),e.clients.length||(e.dev&&e.dev.close&&e.dev.close(),e.dev=void 0)},V._closeIn=function(t){var e=t._impl;y(e.clients,t._orig),e.clients.length||(e.dev&&e.dev.close&&e.dev.close(),e.dev=void 0)},V._close=function(){V._unwatch()},V._watch=function(){V._access.onstatechange=function(){n=!0,setTimeout(function(){n&&(V._refresh(),n=!1)},0)}},V._unwatch=function(){V._access.onstatechange=void 0}}var rt=function(t){return w||function(t){Lt(),(w=new C)._options=t,w._push(g,[Y(t)]),w.refresh(),w._resume()}(t),w};function it(){var t=this instanceof it?this:t=new it;return it.prototype.reset.apply(t,arguments),t}function ot(){29.97==this.type&&!this.second&&this.frame<2&&this.minute%10&&(this.frame=2)}function st(t){return[[24,25,29.97,30][t[7]>>1&3],(1&t[7])<<4|t[6],t[5]<<4|t[4],t[3]<<4|t[2],t[1]<<4|t[0]]}function ut(t){for(var e,n=[],r=0;r<t.length;r++)n[r]=(e=t[r])<10?"0"+e:e;return n.join(":")}function at(t){var e,n=this instanceof at?this:n=new at;if(t instanceof at){for(e in n._from=t._from.slice(),t)t.hasOwnProperty(e)&&"_from"!=e&&(n[e]=t[e]);return n}if(n._from=[],void 0===t)return n;var r=t instanceof Array?t:arguments;for(e=0;e<r.length;e++)i=r[e],1==e&&(128<=n[0]&&n[0]<=175&&(i=at.noteValue(i)),192<=n[0]&&n[0]<=207&&(i=at.programValue(i))),(i!=parseInt(i)||i<0||255<i)&&ct(r[e]),n.push(i);return n}rt.info=function(){return C.prototype.info()},C.prototype.Widget=rt.Widget=function(t){var e=new T;if(t instanceof Object)for(var n in t)t.hasOwnProperty(n)&&(e[n]=t[n]);return e._resume(),e},it.prototype.reset=function(t){if(t instanceof it)return this.setType(t.getType()),this.setHour(t.getHour()),this.setMinute(t.getMinute()),this.setSecond(t.getSecond()),this.setFrame(t.getFrame()),this.setQuarter(t.getQuarter()),this;var e=t instanceof Array?t:arguments;return this.setType(e[0]),this.setHour(e[1]),this.setMinute(e[2]),this.setSecond(e[3]),this.setFrame(e[4]),this.setQuarter(e[5]),this},it.prototype.isFullFrame=function(){return 0==this.quarter||4==this.quarter},it.prototype.getType=function(){return this.type},it.prototype.getHour=function(){return this.hour},it.prototype.getMinute=function(){return this.minute},it.prototype.getSecond=function(){return this.second},it.prototype.getFrame=function(){return this.frame},it.prototype.getQuarter=function(){return this.quarter},it.prototype.setType=function(t){if(void 0===t||24==t)this.type=24;else if(25==t)this.type=25;else if(29.97==t)this.type=29.97,ot.apply(this);else{if(30!=t)throw RangeError("Bad SMPTE frame rate: "+t);this.type=30}return this.frame>=this.type&&(this.frame=29.97==this.type?29:this.type-1),this},it.prototype.setHour=function(t){if(void 0===t&&(t=0),t!=parseInt(t)||t<0||24<=t)throw RangeError("Bad SMPTE hours value: "+t);return this.hour=t,this},it.prototype.setMinute=function(t){if(void 0===t&&(t=0),t!=parseInt(t)||t<0||60<=t)throw RangeError("Bad SMPTE minutes value: "+t);return this.minute=t,ot.apply(this),this},it.prototype.setSecond=function(t){if(void 0===t&&(t=0),t!=parseInt(t)||t<0||60<=t)throw RangeError("Bad SMPTE seconds value: "+t);return this.second=t,ot.apply(this),this},it.prototype.setFrame=function(t){if(void 0===t&&(t=0),t!=parseInt(t)||t<0||t>=this.type)throw RangeError("Bad SMPTE frame number: "+t);return this.frame=t,ot.apply(this),this},it.prototype.setQuarter=function(t){if(void 0===t&&(t=0),t!=parseInt(t)||t<0||8<=t)throw RangeError("Bad SMPTE quarter frame: "+t);return this.quarter=t,this},it.prototype.incrFrame=function(){return this.frame++,this.frame>=this.type&&(this.frame=0,this.second++,60<=this.second&&(this.second=0,this.minute++,60<=this.minute&&(this.minute=0,this.hour=23<=this.hour?0:this.hour+1))),ot.apply(this),this},it.prototype.decrFrame=function(){return!this.second&&2==this.frame&&29.97==this.type&&this.minute%10&&(this.frame=0),this.frame--,this.frame<0&&(this.frame=29.97==this.type?29:this.type-1,this.second--,this.second<0&&(this.second=59,this.minute--,this.minute<0&&(this.minute=59,this.hour=this.hour?this.hour-1:23))),this},it.prototype.incrQF=function(){return this.backwards=!1,this.quarter=this.quarter+1&7,0!=this.quarter&&4!=this.quarter||this.incrFrame(),this},it.prototype.decrQF=function(){return this.backwards=!0,this.quarter=this.quarter+7&7,3!=this.quarter&&7!=this.quarter||this.decrFrame(),this},it.prototype.read=function(t){if(t instanceof at||(t=at.apply(null,arguments)),240==t[0]&&127==t[1]&&1==t[3]&&1==t[4]&&247==t[9])return this.type=[24,25,29.97,30][t[5]>>5&3],this.hour=31&t[5],this.minute=t[6],this.second=t[7],this.frame=t[8],this.quarter=0,this._=void 0,this._b=void 0,!(this._f=void 0);if(241!=t[0]||void 0===t[1])return!1;var e=t[1]>>4,n=15&t[1];return 0==e?7==this._&&(7==this._f&&(this.reset(st(this._a)),this.incrFrame()),this.incrFrame()):3==e?4==this._&&this.decrFrame():4==e?3==this._&&this.incrFrame():7==e&&0===this._&&(0===this._b&&(this.reset(st(this._a)),this.decrFrame()),this.decrFrame()),this._a||(this._a=[]),this._a[e]=n,this._f=this._f===e-1||0==e?e:void 0,this._b=this._b===1+e||7==e?e:void 0,this._=e,this.quarter=e,!0},it.prototype.toString=function(){return ut([this.hour,this.minute,this.second,this.frame])},rt.SMPTE=it;var ht={};((at.prototype=[]).constructor=at).noteValue=function(t){return void 0===t?void 0:ht[t.toString().toLowerCase()]},at.programValue=function(t){return t},at.freq=function(t,e){return void 0===e&&(e=440),e*Math.pow(2,(lt(at.noteValue(t),t)-69)/12)};var ft={c:0,d:2,e:4,f:5,g:7,a:9,b:11,h:11};for(n in ft)if(ft.hasOwnProperty(n))for(i=0;i<12&&!(127<(t=ft[n]+12*i));i++)0<(ht[n+i]=t)&&(ht[n+"b"+i]=t-1,ht[n+"bb"+i]=t-2),t<127&&(ht[n+"#"+i]=t+1,ht[n+"##"+i]=t+2);for(i=0;i<128;i++)ht[i]=i;function ct(t){throw RangeError("Bad MIDI value: "+t)}function pt(t){return(t!=parseInt(t)||t<0||15<t)&&ct(t),parseInt(t)}function lt(t,e){return(t!=parseInt(t)||t<0||127<t)&&ct(void 0===e?t:e),parseInt(t)}function dt(t,e){return(t!=parseInt(t)||t<0||255<t)&&ct(void 0===e?t:e),parseInt(t)}function _t(t){return(t!=parseInt(t)||t<0||16383<t)&&ct(t),127&parseInt(t)}function mt(t){return(t!=parseInt(t)||t<0||16383<t)&&ct(t),parseInt(t)>>7}var gt={noteOff:function(t,e,n){return void 0===n&&(n=64),[128+pt(t),lt(at.noteValue(e),e),lt(n)]},noteOn:function(t,e,n){return void 0===n&&(n=127),[144+pt(t),lt(at.noteValue(e),e),lt(n)]},aftertouch:function(t,e,n){return[160+pt(t),lt(at.noteValue(e),e),lt(n)]},control:function(t,e,n){return[176+pt(t),lt(e),lt(n)]},program:function(t,e){return[192+pt(t),lt(at.programValue(e),e)]},pressure:function(t,e){return[208+pt(t),lt(e)]},pitchBend:function(t,e){return[224+pt(t),_t(e),mt(e)]},bankMSB:function(t,e){return[176+pt(t),0,lt(e)]},bankLSB:function(t,e){return[176+pt(t),32,lt(e)]},modMSB:function(t,e){return[176+pt(t),1,lt(e)]},modLSB:function(t,e){return[176+pt(t),33,lt(e)]},breathMSB:function(t,e){return[176+pt(t),2,lt(e)]},breathLSB:function(t,e){return[176+pt(t),34,lt(e)]},footMSB:function(t,e){return[176+pt(t),4,lt(e)]},footLSB:function(t,e){return[176+pt(t),36,lt(e)]},portamentoMSB:function(t,e){return[176+pt(t),5,lt(e)]},portamentoLSB:function(t,e){return[176+pt(t),37,lt(e)]},volumeMSB:function(t,e){return[176+pt(t),7,lt(e)]},volumeLSB:function(t,e){return[176+pt(t),39,lt(e)]},balanceMSB:function(t,e){return[176+pt(t),8,lt(e)]},balanceLSB:function(t,e){return[176+pt(t),40,lt(e)]},panMSB:function(t,e){return[176+pt(t),10,lt(e)]},panLSB:function(t,e){return[176+pt(t),42,lt(e)]},expressionMSB:function(t,e){return[176+pt(t),11,lt(e)]},expressionLSB:function(t,e){return[176+pt(t),43,lt(e)]},damper:function(t,e){return[176+pt(t),64,e?127:0]},portamento:function(t,e){return[176+pt(t),65,e?127:0]},sostenuto:function(t,e){return[176+pt(t),66,e?127:0]},soft:function(t,e){return[176+pt(t),67,e?127:0]},allSoundOff:function(t){return[176+pt(t),120,0]},allNotesOff:function(t){return[176+pt(t),123,0]}},vt={mtc:function(t){return[241,function(t){var e;switch(!t.backwards&&4<=t.quarter?t.decrFrame():t.backwards&&t.quarter<4&&t.incrFrame(),t.quarter>>1){case 0:e=t.frame;break;case 1:e=t.second;break;case 2:e=t.minute;break;default:e=t.hour}return 1&t.quarter?e>>=4:e&=15,7==t.quarter&&(25==t.type?e|=2:29.97==t.type?e|=4:30==t.type&&(e|=6)),!t.backwards&&4<=t.quarter?t.incrFrame():t.backwards&&t.quarter<4&&t.decrFrame(),e|t.quarter<<4}(t)]},songPosition:function(t){return[242,_t(t),mt(t)]},songSelect:function(t){return[243,lt(t)]},tune:function(){return[246]},clock:function(){return[248]},start:function(){return[250]},continue:function(){return[251]},stop:function(){return[252]},active:function(){return[254]},sxIdRequest:function(){return[240,126,127,6,1,247]},sxFullFrame:function(t){return[240,127,127,1,1,function(t){return 25==t.type?32|t.hour:29.97==t.type?64|t.hour:30==t.type?96|t.hour:t.hour}(t),t.getMinute(),t.getSecond(),t.getFrame(),247]},reset:function(){return[255]}};function yt(t,e){var n=new at;return n.ff=dt(t),n.dd=void 0===e?"":function(t){t=""+t;for(var e=0;e<t.length;e++)255<t.charCodeAt(e)&&ct(t[e]);return t}(e),n}var Ct={smf:function(t){if(t instanceof at)return new at(t);var e=t instanceof Array?t:arguments,n=dt(e[0]),r="";return 2==e.length?r=Pt(e[1]):2<e.length&&(r=Pt(Array.prototype.slice.call(e,1))),yt(n,r)},smfSeqNumber:function(t){if(t==parseInt(t)){if(t<0||65535<t)throw RangeError("Sequence number out of range: "+t);t=String.fromCharCode(t>>8)+String.fromCharCode(255&t)}else if(0==(t=""+t).length)t="\0\0";else if(1==t.length)t="\0"+t;else if(2<t.length)throw RangeError("Sequence number out of range: "+qt(t));return yt(0,t)},smfText:function(t){return yt(1,rt.lib.toUTF8(t))},smfCopyright:function(t){return yt(2,rt.lib.toUTF8(t))},smfSeqName:function(t){return yt(3,rt.lib.toUTF8(t))},smfInstrName:function(t){return yt(4,rt.lib.toUTF8(t))},smfLyric:function(t){return yt(5,rt.lib.toUTF8(t))},smfMarker:function(t){return yt(6,rt.lib.toUTF8(t))},smfCuePoint:function(t){return yt(7,rt.lib.toUTF8(t))},smfProgName:function(t){return yt(8,rt.lib.toUTF8(t))},smfDevName:function(t){return yt(9,rt.lib.toUTF8(t))},smfChannelPrefix:function(t){if(t==parseInt(t)){if(t<0||15<t)throw RangeError("Channel number out of range: "+t);t=String.fromCharCode(t)}else if(0==(t=""+t).length)t="\0";else if(1<t.length||15<t.charCodeAt(0))throw RangeError("Channel number out of range: "+qt(t));return yt(32,t)},smfMidiPort:function(t){if(t==parseInt(t)){if(t<0||127<t)throw RangeError("Port number out of range: "+t);t=String.fromCharCode(t)}else if(0==(t=""+t).length)t="\0";else if(1<t.length||127<t.charCodeAt(0))throw RangeError("Port number out of range: "+qt(t));return yt(33,t)},smfEndOfTrack:function(t){if(""!=Pt(t))throw RangeError("Unexpected data: "+qt(Pt(t)));return yt(47)},smfTempo:function(t){if(3==(""+t).length)return yt(81,t);if(t==parseInt(t)&&0<t&&t<=16777215)return yt(81,String.fromCharCode(t>>16)+String.fromCharCode(t>>8&255)+String.fromCharCode(255&t));throw RangeError("Out of range: "+qt(Pt(t)))},smfBPM:function(t){return Ct.smfTempo(Math.round(6e7/t))},smfSMPTE:function(t){if(t instanceof it)return yt(84,String.fromCharCode(t.hour)+String.fromCharCode(t.minute)+String.fromCharCode(t.second)+String.fromCharCode(t.frame)+String.fromCharCode(t.quarter%4*25));if(5==(""+t).length)return yt(84,t);var e=t instanceof Array?t:Array.prototype.slice.call(arguments);return e.splice(0,0,30),Ct.smfSMPTE(new it(e))},smfTimeSignature:function(t,e,n,r){var i,o,s,u,a=(""+t).match(/^\s*(\d+)\s*\/\s*(\d+)\s*$/);if(a){if(i=parseInt(a[1]),o=parseInt(a[2]),0<i&&i<=255&&!(o&o-1)){for(s=o,o=0,s>>=1;s;s>>=1)o++;return s=e==parseInt(e)?e:24,u=n==parseInt(n)?n:8,yt(88,String.fromCharCode(i)+String.fromCharCode(o)+String.fromCharCode(s)+String.fromCharCode(u))}if(4==(""+t).length)return yt(88,t)}else{if(!(t!=parseInt(t)||e!=parseInt(e)||e&e-1)){for(i=t,o=0,s=e,s>>=1;s;s>>=1)o++;return 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this.send(n.apply(0,arguments)),this}}function wt(t,e,n){t.prototype[e]=function(){return this.send(n.apply(0,[this._chan].concat(Array.prototype.slice.call(arguments)))),this}}function bt(t,e){at[t]=function(){return new at(e.apply(0,arguments))}}function Mt(t,e){at[t]=function(){return e.apply(0,arguments)}}function At(t,r){bt(t,r),N.prototype[t]=function(){var t,e=Array.prototype.slice.call(arguments);e.length<r.length?e=[this._master].concat(e):(t=lt(at.noteValue(e[0],e[0])),e[0]=this._master);var n=r.apply(0,e);return n.mpe=t,this.send(n),this}}for(n in vt)vt.hasOwnProperty(n)&&bt(n,vt[n]);for(n in Ct)Ct.hasOwnProperty(n)&&Mt(n,Ct[n]);for(n in gt)gt.hasOwnProperty(n)&&At(n,gt[n]);function It(t,e){for(n in vt)vt.hasOwnProperty(n)&&St(t,n,vt[n]);for(n in Ct)Ct.hasOwnProperty(n)&&St(t,n,Ct[n]);for(n in gt)gt.hasOwnProperty(n)&&St(t,n,gt[n]);if(e)for(n in gt)gt.hasOwnProperty(n)&&wt(e,n,gt[n])}It(T,z),N.prototype.noteOn=function(t,e){var n=at.noteOn(this._master,t,e);return n._mpe=n[1],this.send(n),this},N.prototype.noteOff=function(t,e){var n=at.noteOff(this._master,t,e);return n._mpe=n[1],this.send(n),this},N.prototype.aftertouch=function(t,e){var n=at.aftertouch(this._master,t,e);return n._mpe=n[1],this.send(n),this};var Ot,Et={a:10,b:11,c:12,d:13,e:14,f:15,A:10,B:11,C:12,D:13,E:14,F:15};for(n=0;n<16;n++)Et[n]=n;function Bt(t){for(var e=[],n=0;n<t.length;n++)e[n]=t.charCodeAt(n);return e}function Pt(t){return t instanceof Array?function(t){for(var e="",n=0;n<t.length;n++)e+=String.fromCharCode(t[n]);return e}(t):void 0===t?"":""+t}function xt(t){return(t<16?"0":"")+t.toString(16)}function Tt(t){for(var e=[],n=0;n<t.length;n++)e[n]=xt(t[n]);return e.join(" ")}function Ft(t){return t.length?": "+Tt(Bt(t)):""}function qt(t){return t.length?": "+function(t){for(var e="",n=0;n<t.length;n++)"\n"==t[n]?e+="\\n":"\r"==t[n]?e+="\\r":"\t"==t[n]?e+="\\t":t.charCodeAt(n)<32?e+="\\x"+xt(t.charCodeAt(n)):e+=t[n];return e}(rt.lib.fromUTF8(t)):""}function Dt(){var t=this instanceof Dt?this:t=new Dt;return t.reset(),arguments.length&&Dt.prototype.setup.apply(t,arguments),t}function Lt(){if(!Ot&&"undefined"!=typeof window){var t=window.AudioContext||window.webkitAudioContext;if(t){(Ot=new t)&&!Ot.createGain&&(Ot.createGain=Ot.createGainNode);var n=function(){if("running"!=Ot.state){Ot.resume();var t=Ot.createOscillator(),e=Ot.createGain();try{e.gain.value=0}catch(t){}e.gain.setTargetAtTime(0,Ot.currentTime,.01),t.connect(e),e.connect(Ot.destination),t.start||(t.start=t.noteOn),t.stop||(t.stop=t.noteOff),t.start(.1),t.stop(.11)}else document.removeEventListener("touchend",n),document.removeEventListener("mousedown",n),document.removeEventListener("keydown",n)};document.addEventListener("touchend",n),document.addEventListener("mousedown",n),document.addEventListener("keydown",n),n()}}}at.prototype.getChannel=function(){if(32==this.ff&&1==this.dd.length&&this.dd.charCodeAt(0)<16)return this.dd.charCodeAt(0);var t=this[0];return void 0===t||t<128||239<t?void 0:15&t},at.prototype.setChannel=function(t){if(void 0===(t=Et[t]))return this;if(32==this.ff)this.dd=String.fromCharCode(t);else{var e=this[0];(void 0!==e&&128<=e||e<=239)&&(this[0]=240&e|t)}return this},at.prototype.getNote=function(){var t=this[0];if(!(void 0===t||t<128||175<t))return this[1]},at.prototype.setNote=function(t){var e=this[0];return void 0===e||e<128||175<e||void 0!==(t=at.noteValue(t))&&(this[1]=t),this},at.prototype.getVelocity=function(){var t=this[0];if(!(void 0===t||t<128||159<t))return this[2]},at.prototype.setVelocity=function(t){var e=this[0];return void 0===e||e<128||159<e||0<=(t=parseInt(t))&&t<128&&(this[2]=t),this},at.prototype.getSysExChannel=function(){if(240==this[0])return this[2]},at.prototype.setSysExChannel=function(t){return 240==this[0]&&2<this.length&&0<=(t=parseInt(t))&&t<128&&(this[2]=t),this},at.prototype.getData=function(){if(void 0!==this.dd)return this.dd.toString()},at.prototype.setData=function(t){return this.dd=Pt(t),this},at.prototype.getText=function(){return rt.lib.fromUTF8(this.dd)},at.prototype.setText=function(t){return this.dd=rt.lib.toUTF8(t),this},at.prototype.isNoteOn=function(){var t=this[0];return!(void 0===t||t<144||159<t)&&0<this[2]},at.prototype.isNoteOff=function(){var t=this[0];return!(void 0===t||t<128||159<t)&&(t<144||0==this[2])},at.prototype.isSysEx=function(){return 240==this[0]},at.prototype.isFullSysEx=function(){return 240==this[0]&&247==this[this.length-1]},at.prototype.isSMF=function(){return 0<=this.ff&&this.ff<=127},at.prototype.toString=function(){var t,e;if(!this.length){if(void 0===this.ff)return"empty";if(t="ff"+xt(this.ff)+" -- ",0==this.ff)t+="Sequence Number: "+function(t){for(var e=0,n=0;n<t.length;n++)e=(e<<8)+t.charCodeAt(n);return e}(this.dd);else if(0<this.ff&&this.ff<10)t+=["","Text","Copyright","Sequence Name","Instrument Name","Lyric","Marker","Cue Point","Program Name","Device Name"][this.ff]+qt(this.dd);else if(32==this.ff)t+="Channel Prefix"+Ft(this.dd);else if(33==this.ff)t+="MIDI Port"+Ft(this.dd);else if(47==this.ff)t+="End of Track"+Ft(this.dd);else if(81==this.ff){var n=65536*this.dd.charCodeAt(0)+256*this.dd.charCodeAt(1)+this.dd.charCodeAt(2);t+="Tempo: "+Math.round(6e9/n)/100+" bpm"}else if(84==this.ff)t+="SMPTE Offset: "+ut(Bt(this.dd));else if(88==this.ff){var r=1<<this.dd.charCodeAt(1);t+="Time Signature: "+this.dd.charCodeAt(0)+"/"+r,t+=" "+this.dd.charCodeAt(2)+" "+this.dd.charCodeAt(3)}else if(89==this.ff){t+="Key Signature: ";var i=this.dd.charCodeAt(0),o=this.dd.charCodeAt(1);128&i&&(i-=256),0<=(i+=7)&&i<=14&&0<=o&&o<=1&&(o&&(i+=3),t+=["Cb","Gb","Db","Ab","Eb","Bb","F","C","G","D","A","E","B","F#","C#","G#","D#","A#"][i],o&&(t+=" min"))}else 127==this.ff?t+="Sequencer Specific"+Ft(this.dd):t+="SMF"+Ft(this.dd);return t}if(t=Tt(this),this[0]<128)return t;if(e={241:"MIDI Time Code",242:"Song Position",243:"Song Select",244:"Undefined",245:"Undefined",246:"Tune request",248:"Timing clock",249:"Undefined",250:"Start",251:"Continue",252:"Stop",253:"Undefined",254:"Active Sensing",255:"Reset"}[this[0]])return t+" -- "+e;var s=this[0]>>4;return(e={8:"Note Off",10:"Aftertouch",12:"Program Change",13:"Channel Aftertouch",14:"Pitch Wheel"}[s])?t+" -- "+e:9==s?t+" -- "+(this[2]?"Note On":"Note Off"):11!=s?t:((e={0:"Bank Select MSB",1:"Modulation Wheel MSB",2:"Breath Controller MSB",4:"Foot Controller MSB",5:"Portamento Time MSB",6:"Data Entry MSB",7:"Channel Volume MSB",8:"Balance MSB",10:"Pan MSB",11:"Expression Controller MSB",12:"Effect Control 1 MSB",13:"Effect Control 2 MSB",16:"General Purpose Controller 1 MSB",17:"General Purpose Controller 2 MSB",18:"General Purpose Controller 3 MSB",19:"General Purpose Controller 4 MSB",32:"Bank Select LSB",33:"Modulation Wheel LSB",34:"Breath Controller LSB",36:"Foot Controller LSB",37:"Portamento Time LSB",38:"Data Entry LSB",39:"Channel Volume LSB",40:"Balance LSB",42:"Pan LSB",43:"Expression Controller LSB",44:"Effect 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t=0;t<16;t++)this[t]={band:0,master:t}},Dt.prototype.setup=function(t,e){var n;Dt.validate(t,e);var r=t+e;if((this[t].master!=t||this[t].band!=e)&&(e||this[t].band)){for(this[t].band?r<(n=t+this[t].band)&&(r=n):this[t].master==t-1?(n=t-1,r<(n+=this[n].band)&&(r=n),this[t-1]={band:0,master:t-1}):this[t].master!=t&&(n=this[t].master,r<(n+=this[n].band)&&(r=n),this[this[t].master].band=t-this[t].master-1),this[t].master=t,this[t].band=e,n=t+1;n<=t+e;n++)this[n].band&&r<n+this[n].band&&(r=n+this[n].band),this[n]={band:0,master:t};for(;n<=r;n++)this[n]={band:0,master:n}}},Dt.prototype.filter=function(t){var e=t.getChannel();if(!this[e]||!this[this[e].master].band)return t;var n,r,i,o=this[e].master,s=this[o].band;if(void 0!==t._mpe){for(i=256,n=o+1;n<=o+s;n++)if(this[n].notes){for(i>this[n].notes.length&&(i=this[e=n].notes.length),r=0;r<this[n].notes.length;r++)if(this[n].notes[r]==t._mpe){e=n,i=-1;break}}else 0<i&&(e=n,i=0);t.setChannel(e),t._mpe=void 0}return e==o||(t.isNoteOn()?(this[e].notes||(this[e].notes=[]),v(this[e].notes,t.getNote())):t.isNoteOff()&&this[e].notes&&y(this[e].notes,t.getNote())),t},rt.MPE=Dt,(rt.lib={}).now=h,rt.lib.schedule=function(t){setTimeout(t,0)},rt.lib.openMidiOut=function(t,e){var n=new T;return e._openOut(n),n._info=e._info(t),n},rt.lib.openMidiIn=function(t,e){var n=new T;return e._openIn(n),n._info=e._info(t),n},rt.lib.registerMidiOut=function(t,e){for(var n=e._info(t),r=0;r<Z._outs.length;r++)if(Z._outs[r].name==n.name)return!1;return n.engine=e,Z._outs.push(n),w&&w._bad&&(w._repair(),w._resume()),!0},rt.lib.registerMidiIn=function(t,e){for(var n=e._info(t),r=0;r<Z._ins.length;r++)if(Z._ins[r].name==n.name)return!1;return n.engine=e,Z._ins.push(n),w&&w._bad&&(w._repair(),w._resume()),!0},rt.lib.copyMidiHelpers=It,rt.lib.getAudioContext=function(){return Lt(),Ot};var kt,zt="ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/=";rt.lib.fromBase64=function(t){var e,n,r,i,o,s,u="",a=0;for(t=t.replace(/[^A-Za-z0-9+/=]/g,"");a<t.length;)e=zt.indexOf(t.charAt(a++))<<2|(i=zt.indexOf(t.charAt(a++)))>>4,n=(15&i)<<4|(o=zt.indexOf(t.charAt(a++)))>>2,r=(3&o)<<6|(s=zt.indexOf(t.charAt(a++))),u+=String.fromCharCode(e),64!=o&&(u+=String.fromCharCode(n)),64!=s&&(u+=String.fromCharCode(r));return u},rt.lib.toBase64=function(t){var e,n,r,i,o,s=0,u=0,a="",h=[];if(!t)return t;for(;e=(o=t.charCodeAt(s++)<<16|t.charCodeAt(s++)<<8|t.charCodeAt(s++))>>18&63,n=o>>12&63,r=o>>6&63,i=63&o,h[u++]=zt.charAt(e)+zt.charAt(n)+zt.charAt(r)+zt.charAt(i),s<t.length;);a=h.join("");var f=t.length%3;return f?a.slice(0,f-3)+"===".slice(f):a},rt.lib.fromUTF8=function(t){t=void 0===t?"":""+t;var e,n,r,i="";for(e=0;e<t.length;e++){if(255<(n=t.charCodeAt(e)))return t;if(n<128)i+=t[e];else if(192==(224&n)){if(n=(31&n)<<6,++e>=t.length)return t;if(128!=(192&(r=t.charCodeAt(e))))return t;n+=63&r,i+=String.fromCharCode(n)}else if(224==(240&n)){if(n=(15&n)<<12,++e>=t.length)return t;if(128!=(192&(r=t.charCodeAt(e))))return t;if(n+=(63&r)<<6,++e>=t.length)return t;if(128!=(192&(r=t.charCodeAt(e))))return t;n+=63&r,i+=String.fromCharCode(n)}else if(240==(248&n)){if(n=(7&n)<<18,++e>=t.length)return t;if(128!=(192&(r=t.charCodeAt(e))))return t;if(n+=(63&r)<<12,++e>=t.length)return t;if(128!=(192&(r=t.charCodeAt(e))))return t;if(n+=(63&r)<<6,++e>=t.length)return t;if(128!=(192&(r=t.charCodeAt(e))))return t;if(1114111<(n+=63&r))return t;n-=65536,i+=String.fromCharCode(55296+(n>>10)),i+=String.fromCharCode(56320+(1023&n))}}return i},rt.lib.toUTF8=function(t){t=void 0===t?"":""+t;var e,n,r="";for(e=0;e<t.length;e++)(n=t.charCodeAt(e))<128?r+=t[e]:(n<2048?r+=String.fromCharCode(192+(n>>6)):(n<65536?r+=String.fromCharCode(224+(n>>12)):(r+=String.fromCharCode(240+(n>>18)),r+=String.fromCharCode(128+(n>>12&63))),r+=String.fromCharCode(128+(n>>6&63))),r+=String.fromCharCode(128+(63&n)));return r};var Nt,Rt=[],jt={},Wt={},Ut={},Gt={};function Vt(){}var Zt=r.Promise;"function"!=typeof Zt&&((Zt=function(t){this.executor=t}).prototype.then=function(t,e){"function"!=typeof t&&(t=function(){}),"function"!=typeof e&&(e=function(){}),this.executor(t,e)});var Jt=r.Map;function Ht(){for(var t=new Array(64),e=0;e<64;e++)t[e]=Math.floor(16*Math.random()%16).toString(16).toUpperCase();return t.join("")}function Qt(t,e){return e?(Wt[t]||(Wt[t]=Ht()),Wt[t]):(jt[t]||(jt[t]=Ht()),jt[t])}function Kt(){this.sysexEnabled=!0,this.outputs=new Jt,this.inputs=new Jt;var i=this;function o(t){return function(){Nt(new $t(t,i))}}function e(t){var e,n,r;for(e=0;e<t.inputs.added.length;e++)n=new te(t.inputs.added[e]),i.inputs.set(n.id,n),r=o(n),n.open().then(r,r);for(e=0;e<t.outputs.added.length;e++)n=new Yt(t.outputs.added[e]),i.outputs.set(n.id,n),r=o(n),n.open().then(r,r);for(e=0;e<t.inputs.removed.length;e++)(n=i.inputs.get(Wt[t.inputs.removed[e].name])).close(),i.inputs.delete(n.id),Nt(new $t(n,i));for(e=0;e<t.outputs.removed.length;e++)(n=i.outputs.get(jt[t.outputs.removed[e].name])).close(),i.outputs.delete(n.id),Nt(new $t(n,i))}Object.defineProperty(this,"onstatechange",{get:function(){return Nt},set:function(t){t instanceof Function?(Nt||rt().onChange(e),Nt=t):Nt&&(rt().onChange().disconnect(e),Nt=void 0)}})}function $t(t,e){this.bubbles=!1,this.cancelBubble=!1,this.cancelable=!1,this.currentTarget=e,this.defaultPrevented=!1,this.eventPhase=0,this.path=[],this.port=t,this.returnValue=!0,this.srcElement=e,this.target=e,this.timeStamp=h(),this.type="statechange"}function Xt(t,e){this.bubbles=!1,this.cancelBubble=!1,this.cancelable=!1,this.currentTarget=t,this.data=e,this.defaultPrevented=!1,this.eventPhase=0,this.path=[],this.receivedTime=h(),this.returnValue=!0,this.srcElement=t,this.target=t,this.timeStamp=this.receivedTime,this.type="midimessage"}function Yt(t){var 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h=o[i].toString().toLowerCase();s[h]||(s[h]=!0,"none"===h&&(n=!0),"etc"!==h&&void 0!==h||(r=!0),r?a.push(h):u.push(h),y(e,h))}(r||u.length||a.length)&&(n=!1);return n?[]:u.concat(r?e:a)}(t),r=0;r<n.length;r++)"webmidi"==n[r]?(t&&!0===t.sysex&&e.push(K),t&&!0===t.sysex&&!0!==t.degrade||e.push(Q)):"node"==n[r]?(e.push(J),e.push(X)):"extension"==n[r]?e.push($):"plugin"==n[r]&&e.push(H);return e.push(tt),e}function tt(){V._type="none",V._sysex=!0,V._refresh=function(){V._outs=[],V._ins=[]},V._watch=function(){},V._unwatch=function(){},V._close=function(){}}function et(){var i;function s(){for(var t=0;t<this.clients.length;t++)this._close(this.clients[t])}V._inArr=[],V._outArr=[],V._inMap={},V._outMap={},V._outsW=[],V._insW=[],V._version=V._main.version,V._sysex=!0,V._refresh=function(){var t,e,n;for(V._outs=[],V._ins=[],t=0;(e=V._main.MidiOutInfo(t)).length;t++)V._outs.push({type:V._type,name:e[0],manufacturer:e[1],version:e[2]});for(t=0;(e=V._main.MidiInInfo(t)).length;t++)V._ins.push({type:V._type,name:e[0],manufacturer:e[1],version:e[2]});var r=U(V._insW,V._outsW,V._ins,V._outs);if(r){for(u=0;u<r.inputs.removed.length;u++)(n=V._inMap[r.inputs.removed[u].name])&&n._closeAll();for(u=0;u<r.outputs.removed.length;u++)(n=V._outMap[r.outputs.removed[u].name])&&n._closeAll();V._insW=V._ins,V._outsW=V._outs,i&&G(r)}},V._openOut=function(t,e){var n=V._outMap[e];if(!n){V._pool.length<=V._outArr.length&&V._pool.push(V._newPlugin()),n={name:e,clients:[],info:{name:e,manufacturer:V._allOuts[e].manufacturer,version:V._allOuts[e].version,type:"MIDI-out",sysex:V._sysex,engine:V._type},_close:function(t){V._closeOut(t)},_closeAll:s,_receive:function(t){t.length&&this.plugin.MidiOutRaw(t.slice())}};var r=V._pool[V._outArr.length];n.plugin=r,V._outArr.push(n),V._outMap[e]=n}if(!n.open){var i=n.plugin.MidiOutOpen(e);if(i!==e)return i&&n.plugin.MidiOutClose(),void t._break();n.open=!0}v((t._orig._impl=n).clients,t._orig),t._info=n.info,t._receive=function(t){n._receive(t)},t._close=function(){n._close(this)}},V._openIn=function(t,e){var n,r=V._inMap[e];if(!r){V._pool.length<=V._inArr.length&&V._pool.push(V._newPlugin());(r={name:e,clients:[],info:{name:e,manufacturer:V._allIns[e].manufacturer,version:V._allIns[e].version,type:"MIDI-in",sysex:V._sysex,engine:V._type},_close:function(t){V._closeIn(t)},_closeAll:s,handle:function(t,e){for(var n=0;n<this.clients.length;n++){var r=at(e);this.clients[n]._emit(r)}}}).onmidi=(n=r,function(t,e){n.handle(t,e)});var i=V._pool[V._inArr.length];r.plugin=i,V._inArr.push(r),V._inMap[e]=r}if(!r.open){var o=r.plugin.MidiInOpen(e,r.onmidi);if(o!==e)return o&&r.plugin.MidiInClose(),void t._break();r.open=!0}v((t._orig._impl=r).clients,t._orig),t._info=r.info,t._close=function(){r._close(this)}},V._closeOut=function(t){var e=t._impl;y(e.clients,t._orig),e.clients.length||(e.open=!1,e.plugin.MidiOutClose())},V._closeIn=function(t){var e=t._impl;y(e.clients,t._orig),e.clients.length||(e.open=!1,e.plugin.MidiInClose())},V._close=function(){for(var t=0;t<V._inArr.length;t++)V._inArr[t].open&&V._inArr[t].plugin.MidiInClose();V._unwatch()},V._watch=function(){i||(i=setInterval(function(){V._refresh()},250))},V._unwatch=function(){i&&clearInterval(i),i=void 0}}function nt(t,e){var n;function o(){for(var t=0;t<this.clients.length;t++)this._close(this.clients[t])}V._type="webmidi",V._version=43,V._sysex=!!e,V._access=t,V._inMap={},V._outMap={},V._outsW=[],V._insW=[],V._refresh=function(){V._outs=[],V._ins=[],V._access.outputs.forEach(function(t){V._outs.push({type:V._type,name:t.name,manufacturer:t.manufacturer,version:t.version})}),V._access.inputs.forEach(function(t){V._ins.push({type:V._type,name:t.name,manufacturer:t.manufacturer,version:t.version})});var t=U(V._insW,V._outsW,V._ins,V._outs);if(t){var e;for(u=0;u<t.inputs.removed.length;u++)(e=V._inMap[t.inputs.removed[u].name])&&e._closeAll();for(u=0;u<t.outputs.removed.length;u++)(e=V._outMap[t.outputs.removed[u].name])&&e._closeAll();V._insW=V._ins,V._outsW=V._outs,n&&G(t)}},V._openOut=function(t,e){var n,r=V._outMap[e];r||(r={name:e,clients:[],info:{name:e,manufacturer:V._allOuts[e].manufacturer,version:V._allOuts[e].version,type:"MIDI-out",sysex:V._sysex,engine:V._type},_close:function(t){V._closeOut(t)},_closeAll:o,_receive:function(t){r.dev&&t.length&&this.dev.send(t.slice())}}),V._access.outputs.forEach(function(t){t.name===e&&(n=t)}),n?(r.dev=n,(V._outMap[e]=r).dev.open&&r.dev.open(),v((t._orig._impl=r).clients,t._orig),t._info=r.info,t._receive=function(t){r._receive(t)},t._close=function(){r._close(this)}):t._break()},V._openIn=function(t,e){var n,r,i=V._inMap[e];if(i||(i={name:e,clients:[],info:{name:e,manufacturer:V._allIns[e].manufacturer,version:V._allIns[e].version,type:"MIDI-in",sysex:V._sysex,engine:V._type},_close:function(t){V._closeIn(t)},_closeAll:o,handle:function(t){for(var e=0;e<this.clients.length;e++){var n=at([].slice.call(t.data));this.clients[e]._emit(n)}}}),V._access.inputs.forEach(function(t){t.name===e&&(n=t)}),n){i.dev=n;i.dev.onmidimessage=(r=i,function(t){r.handle(t)}),(V._inMap[e]=i).dev.open&&i.dev.open(),v((t._orig._impl=i).clients,t._orig),t._info=i.info,t._close=function(){i._close(this)}}else t._break()},V._closeOut=function(t){var e=t._impl;y(e.clients,t._orig),e.clients.length||(e.dev&&e.dev.close&&e.dev.close(),e.dev=void 0)},V._closeIn=function(t){var e=t._impl;y(e.clients,t._orig),e.clients.length||(e.dev&&e.dev.close&&e.dev.close(),e.dev=void 0)},V._close=function(){V._unwatch()},V._watch=function(){V._access.onstatechange=function(){n=!0,setTimeout(function(){n&&(V._refresh(),n=!1)},0)}},V._unwatch=function(){V._access.onstatechange=void 0}}var rt=function(t){return w||function(t){Lt(),(w=new C)._options=t,w._push(g,[Y(t)]),w.refresh(),w._resume()}(t),w};function it(){var t=this instanceof it?this:t=new it;return it.prototype.reset.apply(t,arguments),t}function ot(){29.97==this.type&&!this.second&&this.frame<2&&this.minute%10&&(this.frame=2)}function st(t){return[[24,25,29.97,30][t[7]>>1&3],(1&t[7])<<4|t[6],t[5]<<4|t[4],t[3]<<4|t[2],t[1]<<4|t[0]]}function ut(t){for(var e,n=[],r=0;r<t.length;r++)n[r]=(e=t[r])<10?"0"+e:e;return n.join(":")}function at(t){var e,n=this instanceof at?this:n=new at;if(t instanceof at){for(e in n._from=t._from.slice(),t)t.hasOwnProperty(e)&&"_from"!=e&&(n[e]=t[e]);return n}if(n._from=[],void 0===t)return n;var r=t instanceof Array?t:arguments;for(e=0;e<r.length;e++)i=r[e],1==e&&(128<=n[0]&&n[0]<=175&&(i=at.noteValue(i)),192<=n[0]&&n[0]<=207&&(i=at.programValue(i))),(i!=parseInt(i)||i<0||255<i)&&ct(r[e]),n.push(i);return n}rt.info=function(){return C.prototype.info()},C.prototype.Widget=rt.Widget=function(t){var e=new T;if(t instanceof Object)for(var n in t)t.hasOwnProperty(n)&&(e[n]=t[n]);return e._resume(),e},it.prototype.reset=function(t){if(t instanceof it)return this.setType(t.getType()),this.setHour(t.getHour()),this.setMinute(t.getMinute()),this.setSecond(t.getSecond()),this.setFrame(t.getFrame()),this.setQuarter(t.getQuarter()),this;var e=t instanceof Array?t:arguments;return this.setType(e[0]),this.setHour(e[1]),this.setMinute(e[2]),this.setSecond(e[3]),this.setFrame(e[4]),this.setQuarter(e[5]),this},it.prototype.isFullFrame=function(){return 0==this.quarter||4==this.quarter},it.prototype.getType=function(){return this.type},it.prototype.getHour=function(){return this.hour},it.prototype.getMinute=function(){return this.minute},it.prototype.getSecond=function(){return this.second},it.prototype.getFrame=function(){return this.frame},it.prototype.getQuarter=function(){return this.quarter},it.prototype.setType=function(t){if(void 0===t||24==t)this.type=24;else if(25==t)this.type=25;else if(29.97==t)this.type=29.97,ot.apply(this);else{if(30!=t)throw RangeError("Bad SMPTE frame rate: "+t);this.type=30}return this.frame>=this.type&&(this.frame=29.97==this.type?29:this.type-1),this},it.prototype.setHour=function(t){if(void 0===t&&(t=0),t!=parseInt(t)||t<0||24<=t)throw RangeError("Bad SMPTE hours value: "+t);return this.hour=t,this},it.prototype.setMinute=function(t){if(void 0===t&&(t=0),t!=parseInt(t)||t<0||60<=t)throw RangeError("Bad SMPTE minutes value: "+t);return this.minute=t,ot.apply(this),this},it.prototype.setSecond=function(t){if(void 0===t&&(t=0),t!=parseInt(t)||t<0||60<=t)throw RangeError("Bad SMPTE seconds value: "+t);return this.second=t,ot.apply(this),this},it.prototype.setFrame=function(t){if(void 0===t&&(t=0),t!=parseInt(t)||t<0||t>=this.type)throw RangeError("Bad SMPTE frame number: "+t);return this.frame=t,ot.apply(this),this},it.prototype.setQuarter=function(t){if(void 0===t&&(t=0),t!=parseInt(t)||t<0||8<=t)throw RangeError("Bad SMPTE quarter frame: "+t);return this.quarter=t,this},it.prototype.incrFrame=function(){return this.frame++,this.frame>=this.type&&(this.frame=0,this.second++,60<=this.second&&(this.second=0,this.minute++,60<=this.minute&&(this.minute=0,this.hour=23<=this.hour?0:this.hour+1))),ot.apply(this),this},it.prototype.decrFrame=function(){return!this.second&&2==this.frame&&29.97==this.type&&this.minute%10&&(this.frame=0),this.frame--,this.frame<0&&(this.frame=29.97==this.type?29:this.type-1,this.second--,this.second<0&&(this.second=59,this.minute--,this.minute<0&&(this.minute=59,this.hour=this.hour?this.hour-1:23))),this},it.prototype.incrQF=function(){return this.backwards=!1,this.quarter=this.quarter+1&7,0!=this.quarter&&4!=this.quarter||this.incrFrame(),this},it.prototype.decrQF=function(){return this.backwards=!0,this.quarter=this.quarter+7&7,3!=this.quarter&&7!=this.quarter||this.decrFrame(),this},it.prototype.read=function(t){if(t instanceof at||(t=at.apply(null,arguments)),240==t[0]&&127==t[1]&&1==t[3]&&1==t[4]&&247==t[9])return this.type=[24,25,29.97,30][t[5]>>5&3],this.hour=31&t[5],this.minute=t[6],this.second=t[7],this.frame=t[8],this.quarter=0,this._=void 0,this._b=void 0,!(this._f=void 0);if(241!=t[0]||void 0===t[1])return!1;var e=t[1]>>4,n=15&t[1];return 0==e?7==this._&&(7==this._f&&(this.reset(st(this._a)),this.incrFrame()),this.incrFrame()):3==e?4==this._&&this.decrFrame():4==e?3==this._&&this.incrFrame():7==e&&0===this._&&(0===this._b&&(this.reset(st(this._a)),this.decrFrame()),this.decrFrame()),this._a||(this._a=[]),this._a[e]=n,this._f=this._f===e-1||0==e?e:void 0,this._b=this._b===1+e||7==e?e:void 0,this._=e,this.quarter=e,!0},it.prototype.toString=function(){return ut([this.hour,this.minute,this.second,this.frame])},rt.SMPTE=it;var ht={};((at.prototype=[]).constructor=at).noteValue=function(t){return void 0===t?void 0:ht[t.toString().toLowerCase()]},at.programValue=function(t){return t},at.freq=function(t,e){return void 0===e&&(e=440),e*Math.pow(2,(lt(at.noteValue(t),t)-69)/12)};var ft={c:0,d:2,e:4,f:5,g:7,a:9,b:11,h:11};for(n in ft)if(ft.hasOwnProperty(n))for(i=0;i<12&&!(127<(t=ft[n]+12*i));i++)0<(ht[n+i]=t)&&(ht[n+"b"+i]=t-1,ht[n+"bb"+i]=t-2),t<127&&(ht[n+"#"+i]=t+1,ht[n+"##"+i]=t+2);for(i=0;i<128;i++)ht[i]=i;function ct(t){throw RangeError("Bad MIDI value: "+t)}function pt(t){return(t!=parseInt(t)||t<0||15<t)&&ct(t),parseInt(t)}function lt(t,e){return(t!=parseInt(t)||t<0||127<t)&&ct(void 0===e?t:e),parseInt(t)}function dt(t,e){return(t!=parseInt(t)||t<0||255<t)&&ct(void 0===e?t:e),parseInt(t)}function _t(t){return(t!=parseInt(t)||t<0||16383<t)&&ct(t),127&parseInt(t)}function mt(t){return(t!=parseInt(t)||t<0||16383<t)&&ct(t),parseInt(t)>>7}var gt={noteOff:function(t,e,n){return void 0===n&&(n=64),[128+pt(t),lt(at.noteValue(e),e),lt(n)]},noteOn:function(t,e,n){return void 0===n&&(n=127),[144+pt(t),lt(at.noteValue(e),e),lt(n)]},aftertouch:function(t,e,n){return[160+pt(t),lt(at.noteValue(e),e),lt(n)]},control:function(t,e,n){return[176+pt(t),lt(e),lt(n)]},program:function(t,e){return[192+pt(t),lt(at.programValue(e),e)]},pressure:function(t,e){return[208+pt(t),lt(e)]},pitchBend:function(t,e){return[224+pt(t),_t(e),mt(e)]},bankMSB:function(t,e){return[176+pt(t),0,lt(e)]},bankLSB:function(t,e){return[176+pt(t),32,lt(e)]},modMSB:function(t,e){return[176+pt(t),1,lt(e)]},modLSB:function(t,e){return[176+pt(t),33,lt(e)]},breathMSB:function(t,e){return[176+pt(t),2,lt(e)]},breathLSB:function(t,e){return[176+pt(t),34,lt(e)]},footMSB:function(t,e){return[176+pt(t),4,lt(e)]},footLSB:function(t,e){return[176+pt(t),36,lt(e)]},portamentoMSB:function(t,e){return[176+pt(t),5,lt(e)]},portamentoLSB:function(t,e){return[176+pt(t),37,lt(e)]},volumeMSB:function(t,e){return[176+pt(t),7,lt(e)]},volumeLSB:function(t,e){return[176+pt(t),39,lt(e)]},balanceMSB:function(t,e){return[176+pt(t),8,lt(e)]},balanceLSB:function(t,e){return[176+pt(t),40,lt(e)]},panMSB:function(t,e){return[176+pt(t),10,lt(e)]},panLSB:function(t,e){return[176+pt(t),42,lt(e)]},expressionMSB:function(t,e){return[176+pt(t),11,lt(e)]},expressionLSB:function(t,e){return[176+pt(t),43,lt(e)]},damper:function(t,e){return[176+pt(t),64,e?127:0]},portamento:function(t,e){return[176+pt(t),65,e?127:0]},sostenuto:function(t,e){return[176+pt(t),66,e?127:0]},soft:function(t,e){return[176+pt(t),67,e?127:0]},allSoundOff:function(t){return[176+pt(t),120,0]},allNotesOff:function(t){return[176+pt(t),123,0]}},vt={mtc:function(t){return[241,function(t){var e;switch(!t.backwards&&4<=t.quarter?t.decrFrame():t.backwards&&t.quarter<4&&t.incrFrame(),t.quarter>>1){case 0:e=t.frame;break;case 1:e=t.second;break;case 2:e=t.minute;break;default:e=t.hour}return 1&t.quarter?e>>=4:e&=15,7==t.quarter&&(25==t.type?e|=2:29.97==t.type?e|=4:30==t.type&&(e|=6)),!t.backwards&&4<=t.quarter?t.incrFrame():t.backwards&&t.quarter<4&&t.decrFrame(),e|t.quarter<<4}(t)]},songPosition:function(t){return[242,_t(t),mt(t)]},songSelect:function(t){return[243,lt(t)]},tune:function(){return[246]},clock:function(){return[248]},start:function(){return[250]},continue:function(){return[251]},stop:function(){return[252]},active:function(){return[254]},sxIdRequest:function(){return[240,126,127,6,1,247]},sxFullFrame:function(t){return[240,127,127,1,1,function(t){return 25==t.type?32|t.hour:29.97==t.type?64|t.hour:30==t.type?96|t.hour:t.hour}(t),t.getMinute(),t.getSecond(),t.getFrame(),247]},reset:function(){return[255]}};function yt(t,e){var n=new at;return n.ff=dt(t),n.dd=void 0===e?"":function(t){t=""+t;for(var e=0;e<t.length;e++)255<t.charCodeAt(e)&&ct(t[e]);return t}(e),n}var Ct={smf:function(t){if(t instanceof at)return new at(t);var e=t instanceof Array?t:arguments,n=dt(e[0]),r="";return 2==e.length?r=Pt(e[1]):2<e.length&&(r=Pt(Array.prototype.slice.call(e,1))),yt(n,r)},smfSeqNumber:function(t){if(t==parseInt(t)){if(t<0||65535<t)throw RangeError("Sequence number out of range: "+t);t=String.fromCharCode(t>>8)+String.fromCharCode(255&t)}else if(0==(t=""+t).length)t="\0\0";else if(1==t.length)t="\0"+t;else if(2<t.length)throw RangeError("Sequence number out of range: "+qt(t));return yt(0,t)},smfText:function(t){return yt(1,rt.lib.toUTF8(t))},smfCopyright:function(t){return yt(2,rt.lib.toUTF8(t))},smfSeqName:function(t){return yt(3,rt.lib.toUTF8(t))},smfInstrName:function(t){return yt(4,rt.lib.toUTF8(t))},smfLyric:function(t){return yt(5,rt.lib.toUTF8(t))},smfMarker:function(t){return yt(6,rt.lib.toUTF8(t))},smfCuePoint:function(t){return yt(7,rt.lib.toUTF8(t))},smfProgName:function(t){return yt(8,rt.lib.toUTF8(t))},smfDevName:function(t){return yt(9,rt.lib.toUTF8(t))},smfChannelPrefix:function(t){if(t==parseInt(t)){if(t<0||15<t)throw RangeError("Channel number out of range: "+t);t=String.fromCharCode(t)}else if(0==(t=""+t).length)t="\0";else if(1<t.length||15<t.charCodeAt(0))throw RangeError("Channel number out of range: "+qt(t));return yt(32,t)},smfMidiPort:function(t){if(t==parseInt(t)){if(t<0||127<t)throw RangeError("Port number out of range: "+t);t=String.fromCharCode(t)}else if(0==(t=""+t).length)t="\0";else if(1<t.length||127<t.charCodeAt(0))throw RangeError("Port number out of range: "+qt(t));return yt(33,t)},smfEndOfTrack:function(t){if(""!=Pt(t))throw RangeError("Unexpected data: "+qt(Pt(t)));return yt(47)},smfTempo:function(t){if(3==(""+t).length)return yt(81,t);if(t==parseInt(t)&&0<t&&t<=16777215)return yt(81,String.fromCharCode(t>>16)+String.fromCharCode(t>>8&255)+String.fromCharCode(255&t));throw RangeError("Out of range: "+qt(Pt(t)))},smfBPM:function(t){return Ct.smfTempo(Math.round(6e7/t))},smfSMPTE:function(t){if(t instanceof it)return yt(84,String.fromCharCode(t.hour)+String.fromCharCode(t.minute)+String.fromCharCode(t.second)+String.fromCharCode(t.frame)+String.fromCharCode(t.quarter%4*25));if(5==(""+t).length)return yt(84,t);var e=t instanceof Array?t:Array.prototype.slice.call(arguments);return e.splice(0,0,30),Ct.smfSMPTE(new it(e))},smfTimeSignature:function(t,e,n,r){var i,o,s,u,a=(""+t).match(/^\s*(\d+)\s*\/\s*(\d+)\s*$/);if(a){if(i=parseInt(a[1]),o=parseInt(a[2]),0<i&&i<=255&&!(o&o-1)){for(s=o,o=0,s>>=1;s;s>>=1)o++;return s=e==parseInt(e)?e:24,u=n==parseInt(n)?n:8,yt(88,String.fromCharCode(i)+String.fromCharCode(o)+String.fromCharCode(s)+String.fromCharCode(u))}if(4==(""+t).length)return yt(88,t)}else{if(!(t!=parseInt(t)||e!=parseInt(e)||e&e-1)){for(i=t,o=0,s=e,s>>=1;s;s>>=1)o++;return s=n==parseInt(n)?n:24,u=r==parseInt(r)?r:8,yt(88,String.fromCharCode(i)+String.fromCharCode(o)+String.fromCharCode(s)+String.fromCharCode(u))}if(4==(""+t).length)return yt(88,t)}throw RangeError("Wrong time signature: "+qt(Pt(t)))},smfKeySignature:function(t){var e=(t=""+t).match(/^\s*([A-H][b#]?)\s*(|maj|major|dur|m|min|minor|moll)\s*$/i);if(e){var n={CB:0,GB:1,DB:2,AB:3,EB:4,BB:5,F:6,C:7,G:8,D:9,A:10,E:11,B:12,H:12,"F#":13,"C#":14,"G#":15,"D#":16,"A#":17}[e[1].toUpperCase()],r={"":0,MAJ:0,MAJOR:0,DUR:0,M:1,MIN:1,MINOR:1,MOLL:1}[e[2].toUpperCase()];void 0!==n&&void 0!==r&&(r&&(n-=3),-7<=(n-=7)&&n<0?t=String.fromCharCode(256+n)+String.fromCharCode(r):0<=n&&n<=7&&(t=String.fromCharCode(n)+String.fromCharCode(r)))}if(2==t.length&&t.charCodeAt(1)<=1&&(t.charCodeAt(0)<=7||t.charCodeAt(0)<=255&&249<=t.charCodeAt(0)))return yt(89,t);throw RangeError("Incorrect key signature: "+qt(t))},smfSequencer:function(t){return yt(127,Pt(t))}};function St(t,e,n){t.prototype[e]=function(){return this.send(n.apply(0,arguments)),this}}function wt(t,e,n){t.prototype[e]=function(){return this.send(n.apply(0,[this._chan].concat(Array.prototype.slice.call(arguments)))),this}}function bt(t,e){at[t]=function(){return new at(e.apply(0,arguments))}}function Mt(t,e){at[t]=function(){return e.apply(0,arguments)}}function At(t,r){bt(t,r),N.prototype[t]=function(){var t,e=Array.prototype.slice.call(arguments);e.length<r.length?e=[this._master].concat(e):(t=lt(at.noteValue(e[0],e[0])),e[0]=this._master);var n=r.apply(0,e);return n.mpe=t,this.send(n),this}}for(n in vt)vt.hasOwnProperty(n)&&bt(n,vt[n]);for(n in Ct)Ct.hasOwnProperty(n)&&Mt(n,Ct[n]);for(n in gt)gt.hasOwnProperty(n)&&At(n,gt[n]);function It(t,e){for(n in vt)vt.hasOwnProperty(n)&&St(t,n,vt[n]);for(n in Ct)Ct.hasOwnProperty(n)&&St(t,n,Ct[n]);for(n in gt)gt.hasOwnProperty(n)&&St(t,n,gt[n]);if(e)for(n in gt)gt.hasOwnProperty(n)&&wt(e,n,gt[n])}It(T,z),N.prototype.noteOn=function(t,e){var n=at.noteOn(this._master,t,e);return n._mpe=n[1],this.send(n),this},N.prototype.noteOff=function(t,e){var n=at.noteOff(this._master,t,e);return n._mpe=n[1],this.send(n),this},N.prototype.aftertouch=function(t,e){var n=at.aftertouch(this._master,t,e);return n._mpe=n[1],this.send(n),this};var Ot,Et={a:10,b:11,c:12,d:13,e:14,f:15,A:10,B:11,C:12,D:13,E:14,F:15};for(n=0;n<16;n++)Et[n]=n;function Bt(t){for(var e=[],n=0;n<t.length;n++)e[n]=t.charCodeAt(n);return e}function Pt(t){return t instanceof Array?function(t){for(var e="",n=0;n<t.length;n++)e+=String.fromCharCode(t[n]);return e}(t):void 0===t?"":""+t}function xt(t){return(t<16?"0":"")+t.toString(16)}function Tt(t){for(var e=[],n=0;n<t.length;n++)e[n]=xt(t[n]);return e.join(" ")}function Ft(t){return t.length?": "+Tt(Bt(t)):""}function qt(t){return t.length?": "+function(t){for(var e="",n=0;n<t.length;n++)"\n"==t[n]?e+="\\n":"\r"==t[n]?e+="\\r":"\t"==t[n]?e+="\\t":t.charCodeAt(n)<32?e+="\\x"+xt(t.charCodeAt(n)):e+=t[n];return e}(rt.lib.fromUTF8(t)):""}function Dt(){var t=this instanceof Dt?this:t=new Dt;return t.reset(),arguments.length&&Dt.prototype.setup.apply(t,arguments),t}function Lt(){if(!Ot&&"undefined"!=typeof window){var t=window.AudioContext||window.webkitAudioContext;if(t){(Ot=new t)&&!Ot.createGain&&(Ot.createGain=Ot.createGainNode);var n=function(){if("running"!=Ot.state){Ot.resume();var t=Ot.createOscillator(),e=Ot.createGain();try{e.gain.value=0}catch(t){}e.gain.setTargetAtTime(0,Ot.currentTime,.01),t.connect(e),e.connect(Ot.destination),t.start||(t.start=t.noteOn),t.stop||(t.stop=t.noteOff),t.start(.1),t.stop(.11)}else document.removeEventListener("touchend",n),document.removeEventListener("mousedown",n),document.removeEventListener("keydown",n)};document.addEventListener("touchend",n),document.addEventListener("mousedown",n),document.addEventListener("keydown",n),n()}}}at.prototype.getChannel=function(){if(32==this.ff&&1==this.dd.length&&this.dd.charCodeAt(0)<16)return this.dd.charCodeAt(0);var t=this[0];return void 0===t||t<128||239<t?void 0:15&t},at.prototype.setChannel=function(t){if(void 0===(t=Et[t]))return this;if(32==this.ff)this.dd=String.fromCharCode(t);else{var e=this[0];(void 0!==e&&128<=e||e<=239)&&(this[0]=240&e|t)}return this},at.prototype.getNote=function(){var t=this[0];if(!(void 0===t||t<128||175<t))return this[1]},at.prototype.setNote=function(t){var e=this[0];return void 0===e||e<128||175<e||void 0!==(t=at.noteValue(t))&&(this[1]=t),this},at.prototype.getVelocity=function(){var t=this[0];if(!(void 0===t||t<128||159<t))return this[2]},at.prototype.setVelocity=function(t){var e=this[0];return void 0===e||e<128||159<e||0<=(t=parseInt(t))&&t<128&&(this[2]=t),this},at.prototype.getSysExChannel=function(){if(240==this[0])return this[2]},at.prototype.setSysExChannel=function(t){return 240==this[0]&&2<this.length&&0<=(t=parseInt(t))&&t<128&&(this[2]=t),this},at.prototype.getData=function(){if(void 0!==this.dd)return this.dd.toString()},at.prototype.setData=function(t){return 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t=0;t<16;t++)this[t]={band:0,master:t}},Dt.prototype.setup=function(t,e){var n;Dt.validate(t,e);var r=t+e;if((this[t].master!=t||this[t].band!=e)&&(e||this[t].band)){for(this[t].band?r<(n=t+this[t].band)&&(r=n):this[t].master==t-1?(n=t-1,r<(n+=this[n].band)&&(r=n),this[t-1]={band:0,master:t-1}):this[t].master!=t&&(n=this[t].master,r<(n+=this[n].band)&&(r=n),this[this[t].master].band=t-this[t].master-1),this[t].master=t,this[t].band=e,n=t+1;n<=t+e;n++)this[n].band&&r<n+this[n].band&&(r=n+this[n].band),this[n]={band:0,master:t};for(;n<=r;n++)this[n]={band:0,master:n}}},Dt.prototype.filter=function(t){var e=t.getChannel();if(!this[e]||!this[this[e].master].band)return t;var n,r,i,o=this[e].master,s=this[o].band;if(void 0!==t._mpe){for(i=256,n=o+1;n<=o+s;n++)if(this[n].notes){for(i>this[n].notes.length&&(i=this[e=n].notes.length),r=0;r<this[n].notes.length;r++)if(this[n].notes[r]==t._mpe){e=n,i=-1;break}}else 0<i&&(e=n,i=0);t.setChannel(e),t._mpe=void 0}return e==o||(t.isNoteOn()?(this[e].notes||(this[e].notes=[]),v(this[e].notes,t.getNote())):t.isNoteOff()&&this[e].notes&&y(this[e].notes,t.getNote())),t},rt.MPE=Dt,(rt.lib={}).now=h,rt.lib.schedule=function(t){setTimeout(t,0)},rt.lib.openMidiOut=function(t,e){var n=new T;return e._openOut(n),n._info=e._info(t),n},rt.lib.openMidiIn=function(t,e){var n=new T;return e._openIn(n),n._info=e._info(t),n},rt.lib.registerMidiOut=function(t,e){for(var n=e._info(t),r=0;r<Z._outs.length;r++)if(Z._outs[r].name==n.name)return!1;return n.engine=e,Z._outs.push(n),w&&w._bad&&(w._repair(),w._resume()),!0},rt.lib.registerMidiIn=function(t,e){for(var n=e._info(t),r=0;r<Z._ins.length;r++)if(Z._ins[r].name==n.name)return!1;return n.engine=e,Z._ins.push(n),w&&w._bad&&(w._repair(),w._resume()),!0},rt.lib.copyMidiHelpers=It,rt.lib.getAudioContext=function(){return Lt(),Ot};var kt,zt="ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/=";rt.lib.fromBase64=function(t){var e,n,r,i,o,s,u="",a=0;for(t=t.replace(/[^A-Za-z0-9+/=]/g,"");a<t.length;)e=zt.indexOf(t.charAt(a++))<<2|(i=zt.indexOf(t.charAt(a++)))>>4,n=(15&i)<<4|(o=zt.indexOf(t.charAt(a++)))>>2,r=(3&o)<<6|(s=zt.indexOf(t.charAt(a++))),u+=String.fromCharCode(e),64!=o&&(u+=String.fromCharCode(n)),64!=s&&(u+=String.fromCharCode(r));return u},rt.lib.toBase64=function(t){var e,n,r,i,o,s=0,u=0,a="",h=[];if(!t)return t;for(;e=(o=t.charCodeAt(s++)<<16|t.charCodeAt(s++)<<8|t.charCodeAt(s++))>>18&63,n=o>>12&63,r=o>>6&63,i=63&o,h[u++]=zt.charAt(e)+zt.charAt(n)+zt.charAt(r)+zt.charAt(i),s<t.length;);a=h.join("");var f=t.length%3;return f?a.slice(0,f-3)+"===".slice(f):a},rt.lib.fromUTF8=function(t){t=void 0===t?"":""+t;var e,n,r,i="";for(e=0;e<t.length;e++){if(255<(n=t.charCodeAt(e)))return t;if(n<128)i+=t[e];else if(192==(224&n)){if(n=(31&n)<<6,++e>=t.length)return t;if(128!=(192&(r=t.charCodeAt(e))))return t;n+=63&r,i+=String.fromCharCode(n)}else if(224==(240&n)){if(n=(15&n)<<12,++e>=t.length)return t;if(128!=(192&(r=t.charCodeAt(e))))return t;if(n+=(63&r)<<6,++e>=t.length)return t;if(128!=(192&(r=t.charCodeAt(e))))return t;n+=63&r,i+=String.fromCharCode(n)}else if(240==(248&n)){if(n=(7&n)<<18,++e>=t.length)return t;if(128!=(192&(r=t.charCodeAt(e))))return t;if(n+=(63&r)<<12,++e>=t.length)return t;if(128!=(192&(r=t.charCodeAt(e))))return t;if(n+=(63&r)<<6,++e>=t.length)return t;if(128!=(192&(r=t.charCodeAt(e))))return t;if(1114111<(n+=63&r))return t;n-=65536,i+=String.fromCharCode(55296+(n>>10)),i+=String.fromCharCode(56320+(1023&n))}}return i},rt.lib.toUTF8=function(t){t=void 0===t?"":""+t;var e,n,r="";for(e=0;e<t.length;e++)(n=t.charCodeAt(e))<128?r+=t[e]:(n<2048?r+=String.fromCharCode(192+(n>>6)):(n<65536?r+=String.fromCharCode(224+(n>>12)):(r+=String.fromCharCode(240+(n>>18)),r+=String.fromCharCode(128+(n>>12&63))),r+=String.fromCharCode(128+(n>>6&63))),r+=String.fromCharCode(128+(63&n)));return r};var Nt,Rt=[],jt={},Wt={},Ut={},Gt={};function Vt(){}var Zt=r.Promise;"function"!=typeof Zt&&((Zt=function(t){this.executor=t}).prototype.then=function(t,e){"function"!=typeof t&&(t=function(){}),"function"!=typeof e&&(e=function(){}),this.executor(t,e)});var Jt=r.Map;function Ht(){for(var t=new Array(64),e=0;e<64;e++)t[e]=Math.floor(16*Math.random()%16).toString(16).toUpperCase();return t.join("")}function Qt(t,e){return e?(Wt[t]||(Wt[t]=Ht()),Wt[t]):(jt[t]||(jt[t]=Ht()),jt[t])}function Kt(){this.sysexEnabled=!0,this.outputs=new Jt,this.inputs=new Jt;var i=this;function o(t){return function(){Nt(new $t(t,i))}}function e(t){var e,n,r;for(e=0;e<t.inputs.added.length;e++)n=new te(t.inputs.added[e]),i.inputs.set(n.id,n),r=o(n),n.open().then(r,r);for(e=0;e<t.outputs.added.length;e++)n=new Yt(t.outputs.added[e]),i.outputs.set(n.id,n),r=o(n),n.open().then(r,r);for(e=0;e<t.inputs.removed.length;e++)(n=i.inputs.get(Wt[t.inputs.removed[e].name])).close(),i.inputs.delete(n.id),Nt(new $t(n,i));for(e=0;e<t.outputs.removed.length;e++)(n=i.outputs.get(jt[t.outputs.removed[e].name])).close(),i.outputs.delete(n.id),Nt(new $t(n,i))}Object.defineProperty(this,"onstatechange",{get:function(){return Nt},set:function(t){t instanceof Function?(Nt||rt().onChange(e),Nt=t):Nt&&(rt().onChange().disconnect(e),Nt=void 0)}})}function $t(t,e){this.bubbles=!1,this.cancelBubble=!1,this.cancelable=!1,this.currentTarget=e,this.defaultPrevented=!1,this.eventPhase=0,this.path=[],this.port=t,this.returnValue=!0,this.srcElement=e,this.target=e,this.timeStamp=h(),this.type="statechange"}function Xt(t,e){this.bubbles=!1,this.cancelBubble=!1,this.cancelable=!1,this.currentTarget=t,this.data=e,this.defaultPrevented=!1,this.eventPhase=0,this.path=[],this.receivedTime=h(),this.returnValue=!0,this.srcElement=t,this.target=t,this.timeStamp=this.receivedTime,this.type="midimessage"}function Yt(t){var e=this;this.type="output",this.name=t.name,this.manufacturer=t.manufacturer,this.version=t.version,this.id=Qt(this.name,!1),this.state="disconnected",this.connection="closed",Object.defineProperty(this,"onstatechange",{get:function(){return Ut[e.name].onstatechange},set:function(t){Function,Ut[e.name].onstatechange=t}})}function te(t){var e=this;this.type="input",this.name=t.name,this.manufacturer=t.manufacturer,this.version=t.version,this.id=Qt(this.name,!0),this.state="disconnected",this.connection="closed",Object.defineProperty(this,"onstatechange",{get:function(){return Gt[e.name].onstatechange},set:function(t){Function,Gt[e.name].onstatechange=t}})}return"function"!=typeof Jt&&((Jt=function(){this.store={},this.keys=[]}).prototype.set=function(t,e){return void 0===this.store[t]&&this.keys.push(t),this.store[t]=e,this.size=this.keys.length,this},Jt.prototype.get=function(t){return this.store[t]},Jt.prototype.delete=function(t){delete this.store[t];var e=this.keys.indexOf(t);return-1<e&&this.keys.splice(e,1),this.size=this.keys.length,this},Jt.prototype.forEach=function(t){var e,n=this.keys.length;for(e=0;e<n;e++)t(this.store[this.keys[e]])}),Kt.prototype.onstatechange=function(){},Yt.prototype.open=function(){var n=this;return new Zt(function(e,t){Ut[n.name]?e(n):(n._resolves||(n._resolves=[]),n._resolves.push(e),1==n._resolves.length&&rt().openMidiOut(n.name).or(t).and(function(){Ut[n.name]=this,n.state="connected",n.connection="open";for(var t=0;t<n._resolves.length;t++)e(n._resolves[t]);delete n._resolves,n.onstatechange&&n.onstatechange(new $t(n,n))}))})},Yt.prototype.close=function(){var t=Ut[this.name];return t&&(t.close(),this.state="disconnected",this.connection="closed",this.onstatechange&&this.onstatechange(new $t(this,this)),Ut[this.name]=void 0),this},Yt.prototype.clear=function(){},Yt.prototype.send=function(t,e){var n=Ut[this.name];if(n){for(var r=[],i=0;i<t.length;i++){if(!(t[i]==Math.floor(t[i])&&0<=t[i]&&t[i]<=255))return;r.push(t[i])}e>h()?setTimeout(function(){n.send(r)},e-h()):n.send(r)}else{var o=this;o.open().then(function(){o.send(t,e)},Vt)}},te.prototype.onmidimessage=function(){},te.prototype.open=function(){var n=this;return new Zt(function(e,t){Gt[n.name]?e(n):(n._resolves||(n._resolves=[]),n._resolves.push(e),1==n._resolves.length&&rt().openMidiIn(n.name).or(t).and(function(){Gt[n.name]=this,n.state="connected",n.connection="open",this.connect(function(t){n.onmidimessage(new Xt(n,new Uint8Array(t)))});for(var t=0;t<n._resolves.length;t++)e(n._resolves[t]);delete n._resolves,n.onstatechange&&n.onstatechange(new $t(n,n))}))})},te.prototype.close=function(){var t=Gt[this.name];return t&&(t.close(),this.state="disconnected",this.connection="closed",this.onstatechange&&this.onstatechange(new $t(this,this)),Gt[this.name]=void 0),this.onmidimessage=te.prototype.onmidimessage,this},rt.requestMIDIAccess=function(e){var r,i;function o(){kt=r;for(var t=0;t<Rt.length;t++)Rt[t](kt)}function s(){--i||o()}return new Zt(function(t){kt?t(kt):(Rt.push(t),1==Rt.length&&(r=new Kt,rt(e).or(o).and(function(){var t=this.info();if(i=t.inputs.length+t.outputs.length){var e,n;for(e=0;e<t.outputs.length;e++)n=new Yt(t.outputs[e]),r.outputs.set(n.id,n),n.open().then(s,s);for(e=0;e<t.inputs.length;e++)n=new te(t.inputs[e]),r.inputs.set(n.id,n),n.open().then(s,s)}else o()})))})},"undefined"==typeof navigator||navigator.requestMIDIAccess||(navigator.requestMIDIAccess=rt.requestMIDIAccess),rt.close=function(){V._close&&V._close()},rt});
\ No newline at end of file
diff --git a/package.json b/package.json
index 6116cca..6e47a84 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "jzz",
-  "version": "0.8.2",
+  "version": "0.8.3",
   "description": "MIDI library for Node.js and web-browsers",
   "main": "javascript/JZZ.js",
   "scripts": {
@@ -21,14 +21,14 @@
   },
   "devDependencies": {
     "coveralls": "^3.0.4",
-    "eslint": "^5.16.0",
+    "eslint": "^6.0.1",
     "grunt": "^1.0.4",
     "grunt-contrib-jshint": "^2.1.0",
     "grunt-contrib-uglify": "^4.0.1",
     "midi-test": "^1.0.5",
     "mocha": "^6.1.4",
     "nyc": "^14.1.1",
-    "web-midi-test": "^0.0.6"
+    "web-midi-test": "^0.0.7"
   },
   "repository": {
     "type": "git",