Various, Evil, Steel Inferno, Wasted, Street Fighter, Meridian, Anoxia, Metal Cross, Pectora, Mirage, Alien Force, Witch Cross, Atro City

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.