<smil>
  <head>
    <layout>
	<region id="r1" top="0" left="0" height="75" width="250"/>
    </layout>
  </head>
  <body>
    <par repeat="2">
      <audio 
        src="http://smil.nist.gov/interop1/correct.wav"/>
      <img src="http://smil.nist.gov/interop1/choose.jpg" region="r1"/> 
    </par>
  </body>
</smil>