Here's a link to Alvin Ailey's dance company's Wade In The Water:

http://www.youtube.com/watch?v=l9uEq9Sjefg&feature=related
Alvin Ailey Dance-Wade in the Water from "Revelations"

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I've had the pleasure of seeing this company perform this dance couple of times. It is stunning!!

There are other YouTube videos available of Alvin Ailey's now classic dance "Revelations".