title: Getting Beat Rate of MP3 in PHP
body: <p>Is there any possibility that I can get the beat rate (beats per minute or beats per second) of an audio file placed on my server, through PHP. 
  The main scenario is I have some audio file(mp3, wav etc) in some location on my server and I've to categorize them according to their beat rate. </p>
  
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  <p>I got this: 
  <a href="http://pear.php.net/reference/MP3_IDv2-0.1.4/__filesource/fsource_MP3_IDv2__MP3_IDv2-0.1.4IDv2FrameTBPM.php.html" rel="nofollow">http://pear.php.net/reference/MP3_IDv2-0.1.4/__filesource/fsource_MP3_IDv2__MP3_IDv2-0.1.4IDv2FrameTBPM.php.html</a> </p>
  
  <p>Can anyone please explaing how to use the function getBPM()</p>