System Of A Down (140 Gram Vinyl)System Of A Down: Serj Tankian (vocals, keyboards, samples); Daron Malakian (guitar, background vocals); Shavo Odadjian (bass); John Dolmayan (drums). Additional personnel: Rick Rubin (piano). Principally recorded at Sound City, Van Nuys, California. System of a Down sees itself as being an integral part of a new musical revolution of heavy music. On the surface, the band's manifesto seems tangential to Rage Against the Machine's; but musically SOAD