Anthrax were an anarcho punk band formed in Gravesend, Kent, England in 1980. They recorded their first demo in 1981 and went on to release two 7" EPs on Crass Records and Small wonder. They appeared on compilations released by Crass Records, Mortarhate Records and Fightback Records. They toured outside the UK twice in the Netherlands with Dutch band The Ex. In 2007 the band issued a compilation album, One Last Drop, which included demos, both EPs, the Mortarhate compilation track and two live tracks.