Various, No Artist, Loudness, No Artist, No Artist, Twisted Sister, Ulrich Roth, AC/DC, Dio, No Artist, No Artist, Autograph, Mountain, Mountain, Mountain, No Artist, No Artist, No Artist, Deep Purple, 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.