Issue schemaorg#2420: Added MusicRecording to the range for audio.

Author: vickitardif

data/ext/pending/issue-2420.rdfa

@@ -0,0 +1,7 @@
+<div>
+    <div typeof="rdf:Property" resource="http://schema.org/audio">
+      <span class="h" property="rdfs:label">audio</span>
+      <span>Domain: <a property="http://schema.org/domainIncludes" href="http://schema.org/MusicRecording">MusicRecording</a></span>
+      <span property="schema:category">issue-2420</span><a property="dc:source" href="https://github.com/schemaorg/schemaorg/issues/2420">#2420</a>
+    </div>
+</div>