Machine Head

Machine Head is an American heavy metal band from Oakland, California. The band was formed in 1991 by vocalist/guitarist Robb Flynn, who remains the only original member of the band. Machine Head's aggressive musicianship made it one of the pioneering bands in the new wave of American heavy metal.

Machine Head has released eleven studio albums, two live albums, one video album, 13 singles and 15 music videos. Four of the band's studio albums have been certified silver in the United Kingdom, and the band's highest peak on the Billboard 200 came with Bloodstone & Diamonds at number 21. As of 2013, the band has sold over three million records worldwide.

By 2002, Machine Head had sold over 1.3 million albums worldwide, and overall Supercharger (mixed by Colin Richardson) would go on to sell 250,000 copies worldwide, which was their lowest selling album to date.