Rockstar Energy Drink Mayhem Festival 2008
Sun, 13 Jul 2008

Slipknot is a group, founded 31 years ago in 1995 in Des Moines, US. They are most often considered to be alternative metal, alternative rock, groove metal, heavy metal, metal, nu metal.

Mastodon is a group, founded 25 years ago on Thursday, 13 January 2000 in Atlanta, US. They are most often considered to be alternative metal, groove metal, hard rock, heavy metal, metal, progressive metal, sludge metal, stoner metal.

DragonForce is a group, founded 26 years ago on Wednesday, 1 September 1999 in London, UK. They are most often considered to be heavy metal, metal, power metal, speed metal.

Disturbed is a group, founded 30 years ago in 1996 in Chicago, US. They are most often considered to be alternative metal, hard rock, heavy metal, industrial rock, metal, nu metal, rock.