Minneapolis doom/drone/sludge band Crone build extended, suffocating soundscapes from the ground up, embracing the glacial pacing and tonal density of the heaviest strains of underground metal.

Manning, South Carolina death/doom/sludge outfit Crone Bog drag listeners through mire and rot, stacking funereal slow riffs with the decomposing murk of old-school death metal.

Heavy Sludge / Stoner Metal from Dallas.

Austin crust/sludge outfit Cross Builder drag heavy, corroded riffs through a punk-rooted framework, trading in the grimy intersection of crust punk nihilism and sludge metal density.

New Orleans' Crowbar are one of the defining bands of American sludge metal, building their reputation on crushingly slow tempos, emotionally raw vocals, and riffs heavy enough to bend steel. Formed in the early 1990s, they remain one of the most influential acts to emerge from the Crescent City's legendary underground.

Boston's Crowfeeder channels the bleak introspection of post-metal through a sludge lens, building slow, towering structures out of distorted guitars and atmospheric tension. Their music rewards patient listening with a sense of weight that accumulates over time.

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Memphis' Crowlord plants doom and sludge metal deep in Tennessee soil, drawing from both traditions to deliver slow, crushing music that carries the weight of the Delta. Their sound is as heavy as the city's history.

West Virginia trio Crown Vic drag death metal's brutality through the swampy weight of sludge and the confrontational energy of hardcore. The Parkersburg band produces crushingly heavy material built on feedback-laden grooves and raw hostility.