Classic Thrash
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The foundational thrash template: galloping downpicked riffs welded to NWOBHM melody and hardcore-punk aggression, run at 180-220+ BPM with abrupt tempo shifts, half-time breakdowns and double-time gallops inside a single song. Tight palm-muted chugging on the low E, chromatic tritone riffing, and fast alternate-picked tremolo drive the rhythm guitars, topped by long whammy-bar dive-bomb and tapped lead solos. Drums lean on the ride bell, snare-driven 'skank' beats and rapid double-kick fills; bass is busy and audible. Vocals are shouted, barked or half-sung mid-range rather than growled, with gang-chant choruses. The mood is fast, angry, precise and apocalyptic.
History
Thrash crystallized in the early 1980s when bands fused the New Wave of British Heavy Metal (Motörhead, Venom, Diamond Head) with American hardcore punk speed. Metallica's 1983 debut 'Kill 'Em All', cut after the band relocated from Los Angeles to the Bay Area, set the template, while Slayer in LA, Megadeth (formed by ex-Metallica guitarist Dave Mustaine) and New Jersey's Anthrax completed the 'Big Four'. Key labels Metal Blade, Megaforce and Combat spread the sound; landmark records 'Ride the Lightning' (1984), 'Reign in Blood' (1986), 'Master of Puppets' (1986), 'Peace Sells' (1986) and 'Among the Living' (1987) pushed it from underground tape-trading scene to platinum sales. By the late '80s thrash had branched into Bay Area, Teutonic, crossover and proto-death strains, peaking commercially around Metallica's 1991 'Black Album' before grunge eclipsed it; the founding bands remain active festival headliners.
Defining artists
Essential listening
Sources
- Ian Christe, 'Sound of the Beast: The Complete Headbanging History of Heavy Metal'
- AllMusic — Thrash Metal genre overview
- Encyclopaedia Metallum (Metal Archives) discographies
- Loudwire / Decibel thrash-metal retrospectives