Various, No Artist, Van Halen, No Artist, No Artist, No Artist, Dio, Rough Cutt, Ten Years After, No Artist, No Artist, No Artist, No Artist, AC/DC, AC/DC, AC/DC, Armored Saint, No Artist, No Artist, No Artist, David Lee Roth, No Artist

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.