Various, Europe, Scorpions, Iron Maiden, Ozzy Osbourne, Judas Priest, Gary Moore, Whitesnake, Saxon, Craaft, Helix, Quiet Riot

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.