Nampa, ID hosted the Rockstar Energy Mayhem Festival this Fourth of July, including bands Whitechapel, As I Lay Dying, Motorhead, Slayer, and more. Photos by Megan Kennedy Rockstar Energy Mayhem Festival 07.04 July 12, 2012 SHARE THIS: Facebook Twitter Your donations allow us to share underrepresented stories for FREE! Donate $10 Choose Amount