System of a Down is an Armenian-American alternative metal band formed in California in 1994. Group; consists of vocalist Serj Tankian, guitarist Daron Malakian, bassist Shavo Odadjian and drummer John Dolmayan. Having released five studio albums since its inception, the group released the "B.Y.O.B." won a Grammy Award for Best Hard Rock Performance for the song. The band members disbanded in August 2006 and reunited in November 2010.