Lake Worth, Florida's Musket Breath came together in 2023 fusing death metal brutality with powerviolence fury and grindcore velocity, resulting in a ferocious hybrid that doesn't stay in any lane for long. Their approach reflects the anything-goes extremism that has always thrived in South Florida's underground circuit.

Los Angeles-based Mutagen trade in black/death metal that favors dark, warring extremes — the atmospheric chaos of black metal pressing hard against death metal's crushing technical framework. Active since 2009, they operate in LA's sprawling underground where genre lines blur under the sheer volume of the city's metal output.

Augusta, Georgia's Mutagen pursue progressive death metal with an ear for complex arrangements and shifting dynamics, standing apart from more straightforward brutality in a state with a rich but often overlooked metal tradition. Active since 2009, the band has steadily developed their technical craft within the Southeast's underground.

Beaver County, Pennsylvania's Mutalist have been excavating the brutal death metal underground since 2012, delivering the genre's trademark pummeling low-end and guttural extremity with uncompromising focus. They represent the blue-collar steel-country grind that has always fed Pennsylvania's metal scene.

Brooklyn's Mutant Supremacy have been one of New York City's most consistent death metal exports since 2010, playing a dense, old-school style that leans on early Florida and New York influences without resorting to pastiche. Their relentless gigging in the local underground has earned them a reputation as a formidable live act.

Oakland, California's Mutate have been part of the Bay Area death metal underground since 2008, delivering the kind of dense, grinding heaviness that fits naturally in a region with one of the US's richest extreme metal histories. Their sound leans into the filth and intensity that Oakland's heavy scene is known for.

Denver, Colorado's Mutated formed in 2020 and quickly locked into a straightforward death metal attack that draws from the genre's classic playbook without unnecessary ornamentation. The high-altitude city's increasingly active extreme metal underground has provided fertile ground for the band's no-nonsense approach.

Cleveland, Ohio's Mutated Sex Organ came together in 2022 to play goregrind-inflected death metal and grindcore with the irreverence and gore-obsessed imagery that define the genre's most uncompromising wing. They fit naturally into Cleveland's long history of extreme and underground metal weirdness.

Santa Ana, California's Mutilacion have been delivering Spanish-named death metal brutality since 2012, their work reflecting the large and historically deep Latino metal community in the greater Los Angeles basin. They play the genre straight — no frills, relentless, and rooted in Orange County's underground.