Mayhem Festival 2011
heavy metal music tour mayhem festival fourth annual mayhem festival created kevin lyman official lineup announced january first year festival utilized rotating main stage slot first year tour one act returning previous lineup iteration mayhem festival notable first year tour utilized multiple act fill opening slot main stage different range day machine head opened main stage tour onset july trivium performed july august flame played august dropped tour one band opened main stage two instead performed headliner jägermeister mobile stage revolver stage july swedish band flame announced would able continue touring festival posting official website huge regret today immediate effect flame must cancel current u show part mayhem tour u headline show due serious terminal illness one band immediate family member feel option amazing fun time part mayhem tour truly grateful support whole festival shown back start apology disturbed godsmack megadeth dethklok replaced megadeth rotating main stage opener machine head trivium flame hatebreed replaced trivium testament headlined replacing flame suicide silence shall perish cancelled july replaced athiarchists date straight line stitch athiarchists headlining place flame unearth kingdom sorrow red fang jägermeister battle band winner official website picturesreview mayhem festival san manuel amphitheater