Green Day lead singer Billie Joe Armstrong, center, performs with bassist Mike Dirnt, right, Friday, July 3, 2009, at KeyArena in Seattle to kick off the band's "21st Century Breakdown" tour. (AP Photo/Ted S. Warren)
Green Day lead singer Billie Joe Armstrong, center performs with bassist Mike Dirnt, right, Friday, July 3, 2009, at KeyArena in Seattle to kick off the band's "21st Century Breakdown" Tour. (AP Photo/Ted S. Warren)
Green Day drummer Tre Cool performs Friday, July 3, 2009, at KeyArena in Seattle to kick off the band's "21st Century Breakdown" tour. (AP Photo/Ted S. Warren)
Green Day lead singer Billie Joe Armstrong performs Friday, July 3, 2009, at KeyArena in Seattle to kick off the band's "21st Century Breakdown" Tour. (AP Photo/Ted S. Warren)
Green Day lead singer Billie Joe Armstrong, center, performs with bassist Mike Dirnt, right, Friday, July 3, 2009, at KeyArena in Seattle to kick off the band's "21st Century Breakdown" Tour. (AP Photo/Ted S. Warren)
Green Day lead singer Billie Joe Armstrong performs Friday, July 3, 2009, at KeyArena in Seattle to kick off the band's "21st Century Breakdown" Tour. (AP Photo/Ted S. Warren)
Green Day lead singer Billie Joe Armstrong performs Friday, July 3, 2009, at KeyArena in Seattle to kick off the band's "21st Century Breakdown" tour. (AP Photo/Ted S. Warren)
Green Day bassist Mike Dirnt performs Friday, July 3, 2009, at KeyArena in Seattle to kick off the band's "21st Century Breakdown" tour. (AP Photo/Ted S. Warren)
Green Day lead singer Billie Joe Armstrong, center, performs with bassist Mike Dirnt, right, and drummer Tre Cool, left, Friday, July 3, 2009, at KeyArena in Seattle to kick off the band's "21st Century Breakdown" tour. (AP Photo/Ted S. Warren)