diff --git a/package-lock.json b/package-lock.json
index 37974db32..c536ede5e 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -244,9 +244,9 @@
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+            "version": "2.6.1",
+            "resolved": "https://registry.npmjs.org/node-fetch/-/node-fetch-2.6.1.tgz",
+            "integrity": "sha512-V4aYg89jEoVRxRb2fJdAg8FHvI7cEyYdVAh94HH0UIK8oJxUfkjlDQN9RbMx+bEjP7+ggMiFRprSti032Oipxw=="
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@@ -10283,14 +10446,14 @@
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-            "resolved": "https://registry.npmjs.org/node-hid/-/node-hid-1.3.0.tgz",
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+            "version": "1.3.1",
+            "resolved": "https://registry.npmjs.org/node-hid/-/node-hid-1.3.1.tgz",
+            "integrity": "sha512-vpiI+FAUhoUmvLnXagmqSO1ijvPK9OrGKbEMFkyAWeuK8eOv4DTPcwYiSxK/LULUZDnKjEBhctrIvCUQdqqltQ==",
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                 "bindings": "^1.5.0",
                 "nan": "^2.14.0",
-                "node-abi": "^2.18.0",
-                "prebuild-install": "^5.3.4"
+                "node-abi": "^2.19.1",
+                "prebuild-install": "^5.3.5"
             }
         },
         "node-hue-api": {
@@ -10379,6 +10542,44 @@
                 }
             }
         },
+        "node-notifier": {
+            "version": "4.6.1",
+            "resolved": "https://registry.npmjs.org/node-notifier/-/node-notifier-4.6.1.tgz",
+            "integrity": "sha1-BW0UJE89zBzq3+aK+c/wxUc6M/M=",
+            "requires": {
+                "cli-usage": "^0.1.1",
+                "growly": "^1.2.0",
+                "lodash.clonedeep": "^3.0.0",
+                "minimist": "^1.1.1",
+                "semver": "^5.1.0",
+                "shellwords": "^0.1.0",
+                "which": "^1.0.5"
+            },
+            "dependencies": {
+                "lodash.clonedeep": {
+                    "version": "3.0.2",
+                    "resolved": "https://registry.npmjs.org/lodash.clonedeep/-/lodash.clonedeep-3.0.2.tgz",
+                    "integrity": "sha1-oKHkDYKl6on/WxR7hETtY9koJ9s=",
+                    "requires": {
+                        "lodash._baseclone": "^3.0.0",
+                        "lodash._bindcallback": "^3.0.0"
+                    }
+                },
+                "semver": {
+                    "version": "5.7.1",
+                    "resolved": "https://registry.npmjs.org/semver/-/semver-5.7.1.tgz",
+                    "integrity": "sha512-sauaDf/PZdVgrLTNYHRtpXa1iRiKcaebiKQ1BJdpQlWH2lCvexQdX55snPFyK7QzpudqbCI0qXFfOasHdyNDGQ=="
+                },
+                "which": {
+                    "version": "1.3.1",
+                    "resolved": "https://registry.npmjs.org/which/-/which-1.3.1.tgz",
+                    "integrity": "sha512-HxJdYWq1MTIQbJ3nw0cqssHoTNU267KlrDuGZ1WYlxDStUtKUhOaJmh112/TZmHxxUfuJqPXSOm7tDyas0OSIQ==",
+                    "requires": {
+                        "isexe": "^2.0.0"
+                    }
+                }
+            }
+        },
         "node-telegram-bot-api": {
             "version": "0.50.0",
             "resolved": "https://registry.npmjs.org/node-telegram-bot-api/-/node-telegram-bot-api-0.50.0.tgz",
@@ -10519,9 +10720,9 @@
             },
             "dependencies": {
                 "@types/node": {
-                    "version": "10.17.29",
-                    "resolved": "https://registry.npmjs.org/@types/node/-/node-10.17.29.tgz",
-                    "integrity": "sha512-zLo9rjUeQ5+QVhOufDwrb3XKyso31fJBJnk9wUUQIBDExF/O4LryvpOfozfUaxgqifTnlt7FyqsAPXUq5yFZSA=="
+                    "version": "10.17.32",
+                    "resolved": "https://registry.npmjs.org/@types/node/-/node-10.17.32.tgz",
+                    "integrity": "sha512-EUq+cjH/3KCzQHikGnNbWAGe548IFLSm93Vl8xA7EuYEEATiyOVDyEVuGkowL7c9V69FF/RiZSAOCFPApMs/ig=="
                 },
                 "cacache": {
                     "version": "11.3.3",
@@ -12143,6 +12344,14 @@
                 "strip-indent": "^3.0.0"
             }
         },
+        "redeyed": {
+            "version": "2.1.1",
+            "resolved": "https://registry.npmjs.org/redeyed/-/redeyed-2.1.1.tgz",
+            "integrity": "sha1-iYS1gV2ZyyIEacme7v/jiRPmzAs=",
+            "requires": {
+                "esprima": "~4.0.0"
+            }
+        },
         "regex-not": {
             "version": "1.0.2",
             "resolved": "https://registry.npmjs.org/regex-not/-/regex-not-1.0.2.tgz",
@@ -12652,6 +12861,11 @@
                 "rechoir": "^0.6.2"
             }
         },
+        "shellwords": {
+            "version": "0.1.1",
+            "resolved": "https://registry.npmjs.org/shellwords/-/shellwords-0.1.1.tgz",
+            "integrity": "sha512-vFwSUfQvqybiICwZY5+DAWIPLKsWO31Q91JSKl3UYv+K5c2QRPzn0qzec6QPu1Qc9eHYItiP3NdJqNVqetYAww=="
+        },
         "signal-exit": {
             "version": "3.0.3",
             "resolved": "https://registry.npmjs.org/signal-exit/-/signal-exit-3.0.3.tgz",
@@ -13131,6 +13345,30 @@
             "resolved": "https://registry.npmjs.org/statuses/-/statuses-1.5.0.tgz",
             "integrity": "sha1-Fhx9rBd2Wf2YEfQ3cfqZOBR4Yow="
         },
+        "stderr": {
+            "version": "1.0.1",
+            "resolved": "https://registry.npmjs.org/stderr/-/stderr-1.0.1.tgz",
+            "integrity": "sha1-HikvsY20OyKq06Di20qKF1vznl4=",
+            "requires": {
+                "cross-spawn": "^0.2.9",
+                "node-notifier": "^4.1.2"
+            },
+            "dependencies": {
+                "cross-spawn": {
+                    "version": "0.2.9",
+                    "resolved": "https://registry.npmjs.org/cross-spawn/-/cross-spawn-0.2.9.tgz",
+                    "integrity": "sha1-vWf5bAfvtjA7f+lMHpefiEeOCjk=",
+                    "requires": {
+                        "lru-cache": "^2.5.0"
+                    }
+                },
+                "lru-cache": {
+                    "version": "2.7.3",
+                    "resolved": "https://registry.npmjs.org/lru-cache/-/lru-cache-2.7.3.tgz",
+                    "integrity": "sha1-bUUk6LlV+V1PW1iFHOId1y+06VI="
+                }
+            }
+        },
         "stealthy-require": {
             "version": "1.1.1",
             "resolved": "https://registry.npmjs.org/stealthy-require/-/stealthy-require-1.1.1.tgz",
@@ -13330,6 +13568,22 @@
                 "has-flag": "^3.0.0"
             }
         },
+        "supports-hyperlinks": {
+            "version": "1.0.1",
+            "resolved": "https://registry.npmjs.org/supports-hyperlinks/-/supports-hyperlinks-1.0.1.tgz",
+            "integrity": "sha512-HHi5kVSefKaJkGYXbDuKbUGRVxqnWGn3J2e39CYcNJEfWciGq2zYtOhXLTlvrOZW1QU7VX67w7fMmWafHX9Pfw==",
+            "requires": {
+                "has-flag": "^2.0.0",
+                "supports-color": "^5.0.0"
+            },
+            "dependencies": {
+                "has-flag": {
+                    "version": "2.0.0",
+                    "resolved": "https://registry.npmjs.org/has-flag/-/has-flag-2.0.0.tgz",
+                    "integrity": "sha1-6CB68cx7MNRGzHC3NLXovhj4jVE="
+                }
+            }
+        },
         "table": {
             "version": "5.4.6",
             "resolved": "https://registry.npmjs.org/table/-/table-5.4.6.tgz",
@@ -13374,11 +13628,11 @@
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         "tar-stream": {
-            "version": "2.1.3",
-            "resolved": "https://registry.npmjs.org/tar-stream/-/tar-stream-2.1.3.tgz",
-            "integrity": "sha512-Z9yri56Dih8IaK8gncVPx4Wqt86NDmQTSh49XLZgjWpGZL9GK9HKParS2scqHCC4w6X9Gh2jwaU45V47XTKwVA==",
+            "version": "2.1.4",
+            "resolved": "https://registry.npmjs.org/tar-stream/-/tar-stream-2.1.4.tgz",
+            "integrity": "sha512-o3pS2zlG4gxr67GmFYBLlq+dM8gyRGUOvsrHclSkvtVtQbjV0s/+ZE8OpICbaj8clrX3tjeHngYGP7rweaBnuw==",
             "requires": {
-                "bl": "^4.0.1",
+                "bl": "^4.0.3",
                 "end-of-stream": "^1.4.1",
                 "fs-constants": "^1.0.0",
                 "inherits": "^2.0.3",
@@ -13740,25 +13994,25 @@
             "integrity": "sha1-WuaBd/GS1EViadEIr6k/+HQ/T2Q="
         },
         "twitch": {
-            "version": "4.2.1",
-            "resolved": "https://registry.npmjs.org/twitch/-/twitch-4.2.1.tgz",
-            "integrity": "sha512-TLNTvYibV/7y4I3NR5ntwIwHjnmowiQ/TZoveSF4XG8PfZcOFqGizxrcGzoDD3950zElXS8yfW72KsTWIBNzGg==",
+            "version": "4.2.2",
+            "resolved": "https://registry.npmjs.org/twitch/-/twitch-4.2.2.tgz",
+            "integrity": "sha512-k55L5mu/RSPzKQZHmkzbipG+oLrkJXbYc8K26MQ/aAoRfX8Ley0CwO3a0ol5UzSI8+g6l9jPcmISJZrDRPdRVQ==",
             "requires": {
                 "@d-fischer/cache-decorators": "^2.0.0",
                 "@d-fischer/deprecate": "^2.0.1",
                 "@d-fischer/logger": "^2.0.0",
                 "@d-fischer/rate-limiter": "^0.2.5",
-                "@d-fischer/shared-utils": "^2.3.1",
+                "@d-fischer/shared-utils": "^2.3.2",
                 "top-package": "^1.0.0",
                 "tslib": "^2.0.0",
-                "twitch-api-call": "^4.2.1",
-                "twitch-auth": "^4.2.1"
+                "twitch-api-call": "^4.2.2",
+                "twitch-auth": "^4.2.2"
             }
         },
         "twitch-api-call": {
-            "version": "4.2.1",
-            "resolved": "https://registry.npmjs.org/twitch-api-call/-/twitch-api-call-4.2.1.tgz",
-            "integrity": "sha512-gh121M0w4mPWzksDpm2I13LLutYLNP+DNqpZhNGIlXNbJMvG7uWq5sZlEnySwKPkCS3fpqlsDyt9Aj5YFiBvIQ==",
+            "version": "4.2.2",
+            "resolved": "https://registry.npmjs.org/twitch-api-call/-/twitch-api-call-4.2.2.tgz",
+            "integrity": "sha512-+fB0bZLJRXFYTLUYa5br8bT8TlTK2sZb7jukTZZb/2qNrC6IanUGmA/PnbpoHNVhsmvT7867zwjzgkRgmc5BNA==",
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@@ -13766,25 +14020,25 @@
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         "twitch-auth": {
-            "version": "4.2.1",
-            "resolved": "https://registry.npmjs.org/twitch-auth/-/twitch-auth-4.2.1.tgz",
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+            "version": "4.2.2",
+            "resolved": "https://registry.npmjs.org/twitch-auth/-/twitch-auth-4.2.2.tgz",
+            "integrity": "sha512-g6VGTMPozp9u0rHubu2epWFuDPoGXwBe1fIQvOUUyFllr105KDzPa2poAWyB4rWnXHNvoDu8A/uSbVEjq1kbRQ==",
             "requires": {
                 "@d-fischer/deprecate": "^2.0.1",
-                "@d-fischer/shared-utils": "^2.3.1",
+                "@d-fischer/shared-utils": "^2.3.2",
                 "tslib": "^2.0.0",
-                "twitch-api-call": "^4.2.1"
+                "twitch-api-call": "^4.2.2"
             }
         },
         "twitch-chat-client": {
-            "version": "4.2.1",
-            "resolved": "https://registry.npmjs.org/twitch-chat-client/-/twitch-chat-client-4.2.1.tgz",
-            "integrity": "sha512-FgqajH7mh1HW3/Q43ad2QLURclCSQL5QTA/XnEFHFb5kTnnrsGJci9Za/QiFRGuIHRGhKrIKnRcxn7u2w/beEg==",
+            "version": "4.2.2",
+            "resolved": "https://registry.npmjs.org/twitch-chat-client/-/twitch-chat-client-4.2.2.tgz",
+            "integrity": "sha512-p0hunnnIykBROESvTjpCfJl8css9w3xfERjwGW0vXDXipGmY+Z1vWmIoSuHXkYoLzYsmwjqvA7WdlIymX33U3g==",
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                 "@d-fischer/deprecate": "^2.0.1",
                 "@d-fischer/logger": "^2.0.0",
-                "@d-fischer/shared-utils": "^2.3.1",
+                "@d-fischer/shared-utils": "^2.3.2",
                 "@d-fischer/typed-event-emitter": "^3.0.0",
                 "ircv3": "^0.26.0",
                 "tslib": "^2.0.0"
diff --git a/samples/midi-output/extension/index.ts b/samples/midi-output/extension/index.ts
new file mode 100644
index 000000000..ced0ba70b
--- /dev/null
+++ b/samples/midi-output/extension/index.ts
@@ -0,0 +1,29 @@
+import { NodeCG } from "nodecg/types/server";
+import { requireService } from "nodecg-io-core/extension/serviceClientWrapper";
+import { MidiOutputServiceClient } from "nodecg-io-midi-output/extension";
+import { Note, Channel } from "easymidi";
+
+module.exports = function (nodecg: NodeCG) {
+    nodecg.log.info("Sample bundle for midi-output started");
+
+    const service = requireService<MidiOutputServiceClient>(nodecg, "midi-output");
+    service?.onAvailable((client) => {
+        nodecg.log.info("Midioutput client has been updated.");
+        const midiClient = client.getNativeClient();
+
+        setInterval(() => {
+            const noteVal: number = Math.round(Math.random() * 127);
+            const velocityVal: number = Math.round(Math.random() * 127);
+            const channelVal: Channel = <Channel>Math.round(Math.random() * 1);
+
+            const data: Note = {
+                note: noteVal,
+                velocity: velocityVal,
+                channel: channelVal,
+            };
+            midiClient.send("noteon", data);
+        }, 1000);
+    });
+
+    service?.onUnavailable(() => nodecg.log.info("Midi output client has been unset."));
+};
diff --git a/samples/midi-output/package.json b/samples/midi-output/package.json
new file mode 100644
index 000000000..818df670e
--- /dev/null
+++ b/samples/midi-output/package.json
@@ -0,0 +1,23 @@
+{
+    "name": "midi-output",
+    "version": "0.1.0",
+    "nodecg": {
+        "compatibleRange": "^1.1.1",
+        "bundleDependencies": {
+            "nodecg-io-midi-output": "0.1.0"
+        }
+    },
+    "scripts": {
+        "build": "tsc",
+        "watch": "tsc -w",
+        "list": "node ../midi-input/helperscripts/listDevices.js"
+    },
+    "license": "MIT",
+    "dependencies": {
+        "nodecg-io-midi-output": "0.1.0",
+        "nodecg-io-core": "0.1.0",
+        "@types/node": "^13.13.12",
+        "nodecg": "^1.6.1",
+        "typescript": "^3.9.6"
+    }
+}
diff --git a/samples/midi-output/tsconfig.json b/samples/midi-output/tsconfig.json
new file mode 100644
index 000000000..c8bb01bee
--- /dev/null
+++ b/samples/midi-output/tsconfig.json
@@ -0,0 +1,3 @@
+{
+    "extends": "../../tsconfig.common.json"
+}