2001-09-21 - London from the America: A Tribute to Heroes Album Peace on Earth / Walk On Live from London http://rapidshare.com/files/2463938/Walk_On_Tribute_To_Heroes_.mpeg
I have the full DVD of that benefit, it is truly amazing. Bono looks as though he's practically crying in the beginning. Very emotional performance, the band is joined by Dave Stewart (guy in Eurythmics) and Edge's wife.