A Perfect Circle, Avenged Sevenfold and Disturbed are a just a few of the bands taking over the stage at the 2011 Rock On The Range festival.The fifth edition of the festival takes place May 21-22 at Crew Stadium in Columbus, Ohio.This year???s lineup also features Korn, Stone Sour, Staind, Danzig, Hollywood Undead, Bullet For My Valentine, Black Label Society and Alter Bridge.