--- Original
+++ New
@@ @@
-<audio controls autoplay>
+<amp-audio controls autoplay><div fallback><div>Your browser does not support the <strong>audio</strong> tag</div><p>Try using recent versions of Google Chrome or Firefox</p></div>
     <source src="//example.dd:8088/sites/default/files/drums.mp3" type="audio/mpeg">
-    <source src="http://example.dd:8088/sites/default/files/drums.ogg" type="audio/ogg">
+    <source type="audio/ogg">
     <source src="https://example.dd:8088/sites/default/files/drums.wav" type="audio/wav">
     <track kind="captions" src="//example.dd:8088/sites/default/files/drums.en.vtt" srclang="en" label="English">
     <track kind="captions" src="https://example.dd:8088/sites/default/files/drums.hi.vtt" srclang="hi" label="Hindi">
-    <div>Your browser does not support the <strong>audio</strong> tag</div>
-    <p>Try using recent versions of Google Chrome or Firefox</p>
-</audio>
+    
+    
+</amp-audio>