EXTREMEMETAL
Extreme metal
Extreme metal is a loosely defined umbrella term for a number of related heavy metal music subgenres that have developed since the early 1980s. The term usually refers to a more abrasive, harsher, underground, non-commercialized style or sound nearly always associated with genres like thrash metal, black metal, death metal, and doom metal.The above text is a snippet from Wikipedia: Extreme metal
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