Best solo dance song?

If you can sing, The Music And The Mirror (from the musical A Chorus Line) is an amazing singing and dancing song. If you can't sing and do really intensive dance at the same time (as it is incredibly hard) just play the song with singing. This song is WOW. Take a look at it here a href="http://www.youtube.com/watch?v=rPLuhNE7cTI." rel="nofollow"http://www.youtube.com/watch?v=rPLuhNE7c…/a There is brief dialogue, then the song starts. I like the dancing in the following verison better, though both are amazing: a href="http://www.youtube.com/watch?v=Q0pgHYWg6UE&feature=related" rel="nofollow"http://www.youtube.com/watch?v=Q0pgHYWg6…/a