Against Me! plot a trio of charity gigs between opening Foo Fighters shows, Radiohead announce what North American “markets” they will visit (with no dates or venues yet), Def Leppard bring Styx and REO Speedwagon along for a monstrous good time and Carrie Underwood hits the road to reclaim her throne as American Idol’s biggest star. Full dates for all four after the jump. (more…)