What’s Hot This Weekend 09/23/11

This week: iHeart Radio Music Festival, TV on the Radio, Arctic Monkeys, Bright Eyes, UFO, Styx & REO Speedwagon, Big Bad Voodoo Daddy, The Young Dubliners, Garth Brooks, Bruno Mars, Skrillex, Clinton Sparks, will.i.am, Paul Van Dyk, Pete Tong & Sidney Samson, Moneyball. Abduction, Killer Elite, Dolphin Tale, Higher Ground, Bellflower and Sugar Factory.