Regarded as one of the cornerstones in extreme music and one of the innovators of the grindcore genre, influencing such bands as Carcass,
Napalm Death, Terrorizer, etc.
Their debut album, was originally released in 1986 as a demo called Slaughter of the Innocent. It was "officially" released as Horrified on the
Necrosis label (owned by members of Carcass and a subdivision of Earache) in 1989.