Various, No Artist, No Artist, No Artist, No Artist, No Artist, Megadeth, Led Zeppelin, Black Sabbath, Megadeth, No Artist, No Artist, No Artist, Megadeth, UFO, Judas Priest, AC/DC, No Artist, No Artist, No Artist, No Artist, Megadeth, 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.