The fathers of grindcore, Napalm Death pushed the envelope of metal to new extremes of ear-splitting intensity, rejecting all notions of melody, subtlety, and good taste to forge a brand of sonic assault almost frightening in its merciless brutality. Formed in 1981, they trafficked in the usual heavy metal fare for the first few years of their existence, but by the middle of the decade they began to expand their horizons by incorporating elements of hardcore and thrash into the mix; ultimately, Napalm Death's sonic experiments evolved into a blistering mutation of metal that t...