Mastodon

Style: Progressive Metal / Sludge Metal ( early )
Origin: USA ( Atlanta, Georgia )
Years Active: 1999 - active

Current line-up:

Troy Sanders - bass / vocal ( Killer Be Killed, Social Infestation )

Brent Hinds - guitar / vocal ( Giraffe Tongue Orchestra )

Bill Kelliher - guitar

Brann Dailor - drums / vocal

Main discography:

[ 2002 ] Remission

[ 2004 ] Leviathan

[ 2006 ] Blood Mountain

[ 2009 ] Crack The Skye

[ 2011 ] The Hunter

[ 2014 ] Once More 'Round The Sun

Live discography:

[ 2011 ] Live at The Aragon

[ 2013 ] Live at Brixton