As performed by Mariposa in September 2004 (and released last year), originally composed/performed by the mighty King Crimson back in 1994/95.
The video, on the other hand, was created this year by se_mm_ai, a trio of artists who then saw it refused from a videoart exposition held by Siena University because, in the words of the organizers, "no image must damage other people's ethical freedom" whatever that means. I just think it's a real pretty video and the song is real good too.
Plus i just realized this post is going to get quite a lot of rather unwanted visitors just because it has the words "sex" and "video" in it. Darn.