Various, Motörhead, Nazareth, Def Leppard, Graham Bonnet, Kiss, Girlschool, Black Sabbath, Rush, Starfighters, Zero Nine, Thin Lizzy, Motörhead, Girlschool

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.