Grindcore

Grindcore is an extreme fusion genre of heavy metal and hardcore punk that originated in the mid-1980s, drawing inspiration from abrasive-sounding musical styles, such as thrashcore, crust punk, hardcore punk, extreme metal, and industrial. Grindcore is considered a more noise-filled style of hardcore punk while using hardcore's trademark characteristics such as heavily distorted, down-tuned guitars, grinding overdriven bass, high-speed tempo, blast beats, and vocals which consist of growls, shouts and high-pitched shrieks. Early groups such as England's Napalm Death are credited with laying t

Goregrind or gore metal is a fusion genre of grindcore and death metal. British band Carcass are commonly credited for the emergence of the genre with their first two albums Reek of Putrefaction and Symphonies of Sickness, along with Repulsion and Impetigo with their debut albums Horrified and Ultimo Mondo Cannibale. Goregrind is recognizable by its heavily edited, pitch-shifted vocals, abrasive musicianship rooted in grindcore, and lyrical emphasis on gore, death, pathology, and murder.

singing style that is popular in "aggressive" music genres

Pornogrind (also known as porngrind or pornogore) is a musical microgenre offshoot of goregrind that lyrically deals with sexual and pornographic themes.

Deathgrind (sometimes written as death-grind or death/grind) is a shorthand term that is used to describe bands who play a fusion of death metal and grindcore.

Powerviolence (sometimes written as power violence) is a chaotic and fast subgenre of hardcore punk which is closely related to thrashcore and grindcore. In contrast with grindcore, which is a "crossover" idiom containing musical aspects of heavy metal, powerviolence is just an augmentation of the most challenging qualities of hardcore punk and grindcore. Like its predecessors, it is usually socio-politically charged and iconoclastic.

Noisecore is a fusion genre that merges hardcore punk and noise rock. Originally emerging in the mid-1980s, the genre is characterized by chaotic song structures, short track lengths, unintelligible lyrics, heavy guitar feedback and distortion, blast beats, noise-laden soundscapes, as well as a rejection of musical theory.