You gotta watch this dude dance. I thought it was nuts.
http://video.google.com/videoplay?docid=-7846880085519204201&q=evolution+of+dance&pr=goog-sl&hl=en
If it doesn't work, go to google videos and search "Evolution of dance"
http://video.google.com/videoplay?docid=-7846880085519204201&q=evolution+of+dance&pr=goog-sl&hl=en
If it doesn't work, go to google videos and search "Evolution of dance"