Mastodon is an American heavy metal band from Atlanta, Georgia. They are one of the most notable bands in the New Wave of American Heavy Metal.[4][5] They were formed in 1999 by Troy Sanders, Brent Hinds, Bill Kelliher, Brann Dailor and original vocalist Eric Saner. 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.[6]