System of a Down is a Metal (Nu Metal) band that is currently playing a reunion tour. B.Y.O.B. is on Guitar Hero World Tour. Toxicity makes it's debut in Guitar Hero: Metallica. Out of all 5 of their albums, 'Toxicity' is the only one to avoid getting a parental advisory sticker. The band consists of: Daron Malakian (Guitars, Vocals) Serj Tankian (Vocals, Keyboards) Shavo Odadjian (Bass) and John Dolmayan (Drums)
- Their 5 albums are:
- System of a Down (1998)
- Toxicity (2001)
- Steal This Album! (2002)
- Mezmerize (2005)
- Hypnotize (2005)