Mastodon is an American heavy metal band from Atlanta, Georgia. Formed in 2000, the band's lineup of Troy Sanders (bass/vocals), Brent Hinds (lead guitar/vocals), Bill Kelliher (rhythm guitar/backing vocals), and Brann Dailor (drums/vocals) remained unchanged for 24 years. Hinds departed Mastodon in March 2025, and died five months later in a motorcycle accident in Atlanta, Georgia. The band's 2002 debut album, Remission, garnered significant critical acclaim for its unique sound. Mastodon's second full-length release, Leviathan, is a concept album based... [more on Wikipedia]