Deep Purple, Alice Cooper, Edgar Winter Group electrify Greek Theatre crowd

Ian Gillan and Steve Morse of Deep Purple perform at the Greek Theatre on Sunday. (KELLY A. SWIFT, CONTRIBUTING PHOTOGRAPHER)Roger Glover and Steve Morse of Deep Purple perform at the Greek Theatre on Sunday. (KELLY A. SWIFT, CONTRIBUTING PHOTOGRAPHER)Ryan Roxie and Alice Cooper perform at the Greek Theatre on Sunday. (KELLY A. SWIFT, CONTRIBUTING PHOTOGRAPHER)Ian Gillan of Deep Purple performs at the Greek Theatre on Sunday. (KELLY A. SWIFT, CONTRIBUTING PHOTOGRAPHER)Roger Glover and Ian Paice