It creates a flash object on the fly with javascript:

  <object id="guitar11-sound-player" width="0" height="0"
   type="application/x-shockwave-flash" 
   codebase="http://download.macromedia.com/pub/shockwave
   /cabs/flash/swflash.cab#version=9,0,0,0" 
   classid="clsid:d27cdb6e-ae6d-11cf-96b8-444553540000">