Singer Anthony Kiedis (C), bassist Michael "Flea" Balzary (L), and guitarist John Frusciante of the rock band, Red Hot Chili Peppers, perform a show in Bilbao, Spain April 18, 2006. The show, a 500 seat invitation-only concert next to the Guggenheim museum was held to promote "Stadium Arcadium", a double CD produced by Rick Rubin, and the groups first studio album since 2002's "By the way". REUTERS/Vincent West