Machine Head
Machine Head is an American trash metal band from Oakland, California (Bay area). The band was formed in 1992, and was founded by Adam Duce and Robb Flynn. The band came to life when Flynn felt musically unfulfilled in previous band Vio-lence and requested to start a side project. When his request was denied, he left the band and formed Machine Head in 1992 with Adam Duce, Logan Mader and Tony Constanza.