‘Heavy Metal’s Big Four: How Metallica, Anthrax, Slayer, And Megadeth Reshaped Metal’ Book Due In November

It seems strange now, but thrash metal was the least likely genre to break big — the speed, aggression, and DIY ethos ran counter to every prevailing rock trend. Yet four bands — METALLICA, MEGADETH, ANTHRAX and SLAYER — rewrote the rules of heavy music and reshaped the sound of metal. In “Heavy Met…