Corey Taylor of Slipknot/Stone Sour covering Chris Isaak's Wicked Game.
http://www.youtube.com/watch?v=JO80R...eature=related
Jeff Buckley covering Leonard Cohen's Hallelujah
http://www.youtube.com/watch?v=y8AWFf7EAc4
Great White covering Led Zeppelin's cover of Joan Baez's Babe, I'm Gonna Leave You
http://www.youtube.com/watch?v=Qs_BNunyIMI
Cake covering Gloria Gaynor's I Will Survive
http://www.youtube.com/watch?v=cvsI3jc4pPA