Ann Wilson of Heart performed Led Zepplin's Stairway to Heaven at the Kennedy Center Honors last December because of Led Zepplin being honored.  The performance, including a choir, is amazing and even made Robert Plant cry.

John Paul Jones, Robert Plant and Jimmy Page watching the performance.

You can watch it by clicking the link below...

http://www.youtube.com/watch?v=8e2fJfiddx4