Slayer, Anthrax, Behemoth & Testament For more than three decades, Slayer’s onslaught has proven the band to be the supreme thrash-metal band on the planet, the band that other heavy acts are measured against and aspire to. Their membership in “The Big Four” – Metallica, Slayer, Megadeth and Anthrax – the four bands that defined the thrash/metal […]