Roots of American Head Charge

Powerman 5000, sometimes abbreviated PM5K, is an American rock band from Boston, Massachusetts. Founded in 1991, the group has released eleven studio albums, gaining its highest level of commercial success with 1999's Tonight the Stars Revolt!, which reached number 29 on the Billboard 200 while spawning the singles "When Worlds Collide" and "Nobody's Real". Frontman Spider One, younger brother of fellow metal musician Rob Zombie, has been the only consistent member of the lineup since the band's formation, and the band has long been known for its variability in sound, taking inspiration from rap-rock in the early nineties, sci-fi and metal at the turn of the millennium, punk/nu-metal and industrial through the 2000s, and electronic rock through the 2010s and 2020s.

Ministry is an American industrial metal band founded in Chicago, Illinois, in 1981 by producer, singer, and instrumentalist Al Jourgensen. Originally a synth-pop outfit, Ministry evolved into one of the pioneers of industrial rock and industrial metal in the late 1980s. The band's lineup has changed frequently, leaving Jourgensen as the sole remaining original member. Musicians who have contributed to the band's studio and/or live activities include vocalists Nivek Ogre, Chris Connelly, Gibby Haynes, Burton C. Bell and Jello Biafra, guitarists Mike Scaccia, Tommy Victor and Cesar Soto, bassists Paul Barker, Paul Raven, Jason Christopher, Tony Campos and Paul D'Amour, drummers Jimmy DeGrasso, Bill Rieflin, Martin Atkins, Rey Washam, Max Brody, Joey Jordison, Roy Mayorga, Pepe Clarke and Aaron Rossi, keyboardist John Bechdel, and rappers and producers DJ Swamp and Arabian Prince.

Motograter is an American nu metal band formed in Santa Barbara, California in 1995. They are best known for their homemade, namesake instrument, designed with industrial cable and guitar pieces that creates a unique bass sound, and painting themselves in tribal-style body paint for live concerts.