group System Of a Down 

System of a Down, also known by the acronym SOAD and often shortened to System, is a rock band from Southern California, formed in 1994. It currently consists of Serj Tankian (lead vocals, keyboards, rhythm guitar), Daron Malakian (guitar, vocals), Shavo Odadjian (bass, background vocals) and John Dolmayan (drums). The band achieved commercial success with the release of five studio albums; from which three debuted at number one on the Billboard ... See more [+]