Also this great vid with Def Leppard on the Howard Stern Show: https://www.youtube.com/watch?v=VwXY_qpyc5k
All The Young Dudes - David Bowie - Ian Hunter - Mick Ronson - Mott the Hoople - Brian May - Roger Taylor - John Deacon - Queen - Joe Elliot - Phil Collen - Def Leppard - Freddie Mercury Tribute Concert