Sonisphere 2011
Sun, 19 Jun 2011

In Flames is a group, founded 36 years ago in 1990 in Gothenburg, Sweden. They are most often considered to be alternative metal, heavy metal, melodic death metal, metal, metalcore.

Iron Maiden is a group, founded 50 years ago on Thursday, 25 December 1975 in Leyton, UK. They are most often considered to be heavy metal, metal, nwobhm.

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.

Alice Cooper was born 77 years ago, on Wednesday, 4 February 1948 in Detroit, US. Alice Cooper is most often considered to be classic rock, garage rock, glam metal, glam rock, hard rock, heavy metal, new wave, psychedelic rock.

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.