Mayhem Festival Returns To Oklahoma City Jam-packed with Awesome Line Up
The Rockstar Energy Drink "Mayhem Festival" returns to Oklahoma City to the Zoo Amphitheater on (07-18-12) This year's line-up promises to be one of the heaviest, loudest and greatest Mayhem Festivals ever! It's going to be one of the best concerts of the summer! Look at that bill, we get Slipknot, Slayer, Motorhead, Anthrax, As I Lay Dying, The Devil Wears Prada, Asking Alexandria, Whit