mp3 & ogg
<audio controls="controls">
  <source src="gamelan.mp3" type="audio/mpeg" />
  <source src="gamelan.ogg" type="audio/ogg" />
  <object type="application/x-shockwave-flash" data="gamelan.swf?soundFile=gamelan.mp3">
  <param name="movie" value="gamelan.swf?soundFile=gamelan.mp3">
  <a href="gamelan.mp3">Download the song</a>
</audio>