Sludge metal
Sludge metal (also known as sludge doom or simply sludge) is an extreme subgenre of heavy metal music that combines elements of doom metal and hardcore punk. The genre generally includes slow tempos, tuned down guitars and nihilistic lyrics discussing poverty, drug addiction and pollution.
| Sludge metal | |
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| Stylistic origins | |
| Cultural origins | Mid-1980s, California, Washington and Louisiana |
| Derivative forms | Post-metal |
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| Sludgecore | |
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The sound of sludge metal has its origins in California hardcore punk bands in the early-to-mid-1980s like Black Flag, Flipper and Fang, who began slowing their tempos and embracing the influence of Black Sabbath. This sound was expanded upon by the Melvins towards the end of the decade and the bands they influenced in both the Seattle grunge scene, and in Louisiana with Eyehategod, Crowbar and Acid Bath. In the 1990s and 2000s, the sound of sludge diversified: bands including Neurosis, Isis and Cult of Luna helped to pioneer post-metal, while Baroness and Mastodon fused the genre with progressive metal, and Dystopia and Grief did so with crust punk.