Mayhem Festival 2015
mayhem festival eighth annual mayhem festival confirmed slayer king diamond hellyeah devil wear prada headlining festival whitechapel thy art murder jungle rot sister sin would among supporting date announced april final mayhem festival return announced oneday festival october slayer king diamond hellyeah devil wear prada whitechapel thy art murder jungle rot sister sin sworn shattered sun feed shark code orange kissing candice °july new hampshire show cancelled replaced erie pennsylvania