Antipop is the sixth studio album by Primus, released before their hiatus from 2000 to 2003. It is also the last album with drummer Bryan "Brain" Mantia. The album features several well-known guest musicians and producers, including Tom Waits, James Hetfield (of Metallica), Jim Martin (former member of Faith No More), Fred Durst (of Limp Bizkit), and Tom Morello (of Rage Against the Machine). Several of the songs from Antipop have never been played live.