Various, Ironaut, Disastroid, Madrost, Astral Cult, Void Vator, Aboleth, Grand Lord High Master, Hazzard's Cure, Tzimani

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.