PHILADELPHIA – JULY 02: Guitarist Phil Collen of Def Leppard performs on stage at “Live 8 Philadelphia” at the Philadelphia Museum of Art July 2, 2005 in Philadelphia, Pennsylvania. The free concert is one of ten simultaneous international gigs including London, Berlin, Rome, Paris, Barrie, Tokyo, Cornwall, Moscow and Johannesburg. The concerts precede the G8 summit (July 6-8) to raising awareness for MAKEpovertyHISTORY. (Photo by William Thomas Cain/Getty Images)