Various, Cardinal Sin, Repression, Not Fragile, Blowin Free, Sudden Death, Splinter, Mass, Damien, Mordor, Mordor

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.