diff -crB wp-includes/class-oembed.php wp-includes-new/class-oembed.php
*** wp-includes/class-oembed.php	Thu May 27 05:14:36 2010
--- wp-includes-new/class-oembed.php	Wed Dec  8 18:33:34 2010
***************
*** 54,59 ****
--- 54,60 ----
  			'http://wordpress.tv/*'                         => array( 'http://wordpress.tv/oembed/',              false ),
  			'#http://(answers|surveys)\.polldaddy.com/.*#i' => array( 'http://polldaddy.com/oembed/',             true  ),
  			'#http://(www\.)?funnyordie\.com/videos/.*#i'   => array( 'http://www.funnyordie.com/oembed',         true  ),
+ 			'http://soundcloud.com/*'                       => array( 'http://soundcloud.com/oembed', false ),
  		) );
  
  		// Fix any embeds that contain new lines in the middle of the HTML which breaks wpautop().