Aftershock returns to Discovery Park in Sacramento, California, October 10-13 for its 12th year with its biggest lineup yet. The four-day destination fest will feature the only U.S. festival play for Iron Maiden, the exclusive West Coast performance for Slayer-one of only three shows in nearly five years-Slipknot as one of the number one requested bands, and the first Aftershock appearance for Mötley Crüe. Other artists include Disturbed, Pantera, Judas Priest, Five Finger Death Punch, Evanescence, Cypress Hill, and many more. Get tickets at aftershockfestival.com .