Well most people know about the Zed Zeppelin satan pray they did on stairway to heaven,
Well QUEEN thats right Queen, did one too.
**** new link *** has a Britney and the Pink Floyd song.
http://www2.memlane.com/jmilner/stairwaybackwards.htm
rather funny, and for people who like this stuff you can listen to the song empty spaces by pink floyd (backwards, it is on the WALL) and it says somthing real clear in it.