Various, Wrathchild America, Matriarch, Jett Blakk, Lethal Aggression, Attacker, Halloween, Meanstreak, The Boys

Bay Area Thrash Metal

Riffs cut like machine tools, tempos past 200bpm, and a garage circuit that rewrote American metal.

West Midlands Metal

Downtuned riffs from a factory city — Sabbath to grindcore, four decades of Birmingham making music heavier.