Jakob DylanMatisyahuMatisyahuKatie BurkessAdam LambertTommy Joe RatliffBob DylanRyan ShawJoe Walsh Imperial Ball 2015Daniel LanoisAlice Cooper Imperial Ball 2015Eugene SnowdenTea Leaf GreenRoland SimmonsRusty Anderson & Gregory MarkelMatisyahuMatisyahuTracie BurtonSmokey RobinsonAdam Lambert & Tommy Joe Ratliff