Vinyl LP pressing. Toxicity is the second studio album by heavy metal band System of a Down- released on September 4 2001 by American Recordings. Featuring the heaviness and aggression of System of a Down's debut studio album Toxicity features more melody harmonies and singing than the band's aforementioned album. Categorized primarily as alternative metal and nu metal Toxicity features elements of multiple genres including folk progressive rock jazz Armenian music and Greek music including prominent use of instruments such as the sitar banjo keyboards and piano. The album contains a wide array of political and non-political themes such as the overpopulation of prisons the CIA the environment group sex drug addiction and groupies. - - - Tracks - - 1 Prison Song (Album Version) 3:21 - 2 Needles (Album Version) 3:13 - 3 Deer Dance (Album Version) 2:54 - 4 Jet Pilot (Album Version) 2:06 - 5 X (Album Version) 1:58 - 6 Chop Suey! (Album Version) 3:30 - 7 Bounce (Album Version) 1:54 - 8 Forest (Album Version) 4:00 - - 1 Atwa (Album Version) 2:56 - 2 Science (Album Version) 2:42 - 3 Shimmy (Album Version) 1:50 - 4 Toxicity (Album Version) 3:38 - 5 Psycho (Album Version) 3:45 - 6 Aerials (Album Version) 3:57 - 7 Arto (Album Version) 2:13