Various, Twisted Sister, Ratt, Mötley Crüe, Rough Cutt, Angeles Del Infierno, Dokken, Kix, Raven, Vandenberg, Rogue Male

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.