Machine Head is an American heavy metal band from California.
Machine Head formed in 1991 by vocalist Robb Flynn and the bassist Adam Duce.
The band's aggressive musicianship made it one of the pioneering bands in the new wave of American heavy metal, and it is also considered to be part of the second wave of thrash metal bands from the 1990s.
Band's current lineup comprises Flynn, guitarist Wacław Kiełtyka, bassist Jared MacEachern & drummer Matt Alston.
Machine Head has released 9 studio albums, 2 live albums, 1 video album, 13 singles & 15 music videos. Four of the band's studio albums have been certified silver in the United Kingdom & the band's highest peak on the Billboard 200 came with Bloodstone & Diamonds at number 21.
As of 2013, Machine Head has sold over three million records worldwide.