record_label manifest 
Extreme metal is a loosely defined umbrella term for a number of related ___MASK13___ subgenres that have developed since the early 1980s . It has been defined as a " cluster of metal subgenres characterized by sonic , verbal and visual transgression ". The term usually refers to a more abrasive , harsher , underground , non - commercialized style or sound associated with the speed metal , thrash metal , death metal , black metal and doom metal genres . With the exception of doom metal , all of these genres are characterized by fast tempos , attesting to their roots in hardcore punk , which has also fused with extreme metal in the forms of crossover thrash , crust punk , grindcore , sludge metal and metalcore . Though many extreme sub - styles are not very well known to mainstream music fans , extreme metal has influenced an array of musical performers inside and outside of heavy metal . Impaled Nazarene is a Finnish extreme metal band that started as ___MASK44___ but have incorporated grindcore elements , and have grown more towards hardcore punk . The band is currently signed to ___MASK91___ of France . ___MASK44___ is an extreme subgenre and subculture of ___MASK13___ . Common traits include fast tempos , a shrieking vocal style , heavily distorted guitars played with tremolo picking , raw ( lo - fi ) recording , unconventional song structures , and an emphasis on atmosphere . Artists often appear in corpse paint and adopt pseudonyms . Manifest is Impaled Nazarene ' s 10th full - length studio album . Grindcore is an extreme genre of music that originated in the early to mid - 1980s . It draws inspiration from some of the most abrasive - sounding genres  including hardcore punk , thrash metal , crust punk , industrial , death metal and noise rock . Grindcore is characterized by a noise - filled sound that uses heavily distorted , down - tuned guitars , grinding overdriven bass , high speed tempo , blast beats , and vocals which consist of growls and high - pitched shrieks . Early groups like ___MASK45___ Death are credited with laying the groundwork for the style . It is most prevalent today in North America and Europe , with popular contributors such as Brutal Truth and Nasum . Lyrical themes range from a primary focus on social and political concerns , to gory subject matter and black humor . Hardcore punk ( often abbreviated to hardcore ) is a punk ___MASK86___ genre that originated in the late 1970s . It is generally faster , harder , and more aggressive than other forms of punk rock . Its roots can be traced to earlier punk scenes in San Francisco and Southern California which arose as a reaction against the still predominant hippie cultural climate of the time and was also inspired by New York punk rock and early proto - punk . New York punk had a harder - edged sound than its San Francisco counterpart , featuring anti - art expressions of masculine anger , energy and subversive humor . Hardcore punk generally disavows commercialism , the established music industry and " anything similar to the characteristics of mainstream rock " and often addresses social and political topics . ___MASK91___ is a French independent record label created in 1991 by Hervé Herbaut , after he had spent three years running a small mail order company . They specialize mainly in death and black metal bands . ___MASK92___ , officially the French Republic , is a country with territory in western Europe and several overseas regions and territories . The European , or metropolitan , area of ___MASK92___ extends from the Mediterranean Sea to the ___MASK70___ Channel and the North Sea , and from the Rhine to the Atlantic Ocean . Overseas ___MASK92___ include French Guiana on the South American continent and several island territories in the Atlantic , Pacific and Indian oceans . ___MASK92___ spans and had a total population of almost 67 million people as of January 2017 . It is a unitary semi - presidential republic with the capital in Paris , the country ' s largest city and main cultural and commercial centre . Other major urban centres include Marseille , Lyon , Lille , Nice , Toulouse and Bordeaux .