Mastodon is an American heavy metal band from Atlanta, Georgia, formed in 1999. The band comprises bassist/vocalist Troy Sanders, guitarist/vocalist Brent Hinds, guitarist/vocalist Bill Kelliher and drummer/vocalist Brann Dailor. They have released four full-length albums and have toured worldwide, achieving increased album sales and an ever expanding fan base with each new release. In 2007, the band earned a Grammy Award nomination for best metal performance, but lost to Slayer.
