System of a Down is an Armenian-American heavy metal band formed in Glendale, California, in 1994. The band currently consists of founding members Serj Tankian, Daron Malakian and Shavo Odadjian, as well as John Dolmayan (drums), who replaced original drummer Andy Khachaturian in 1997.
en.wikipedia.org/wiki/System_of_a_Down