Thrashcore is essentially sped-up hardcore, adopting a slightly more extreme style by means of its vocals, dissonance, and occasional use of blast beats.

Still more confusingly, the term "thrashcore" is occasionally used by the music press to refer to thrash metal-inflected metalcore.

(Houston), HYPE (Toronto, Canada), Septic Death (Boise, Idaho) and Siege (Weymouth, Massachusetts).

Main groups associated with powerviolence included No Comment, Hellnation, Man Is The Bastard, Crossed Out, Charles Bronson, Spazz and Rorschach.

Thrashcore groups such as S.O.B.,[9][10][11] Cryptic Slaughter,[12] Siege and Deep Wound[13] were major influences on early grindcore acts such as Napalm Death, Carcass and Repulsion.

[7][13] The '90s saw a revival of the thrashcore style, as groups that had previously been associated with powerviolence or grindcore began to explore their debt to this earlier form of extreme music such as rock and metal.