Operating out of Los Angeles since 2005, Mansfield deal in straightforward heavy metal with a no-nonsense sensibility that puts songcraft ahead of excess. Two decades into the LA underground, they've built a reputation on reliability and genuine riff quality.

Dubuque, Iowa's Mantaur have been working in progressive metal since 2011, a quietly ambitious band from an unlikely corner of the Midwest. Their approach emphasizes compositional depth and dynamic range over sheer aggression.

Gray Court, South Carolina's Manticore occupy the slow and heavy space between doom and groove metal, letting mammoth riffs dictate the pace rather than any desire for speed. Since 2019 the band has leaned into midtempo punishment as a core philosophy.

Plymouth, Minnesota's Manunkind blend the power and directness of classic heavy metal with thrash's abrasive edge, a combination that feels at home in the Twin Cities' diverse underground scene. Formed in 2016, the band hits hard and keeps it moving.

Many Eyes is the metallic hardcore project of former Every Time I Die vocalist Keith Buckley, formed in 2022 alongside Charlie and Nick Bellmore of Toxic Holocaust fame and connected through Hatebreed frontman Jamey Jasta. Their debut album 'The Light Age' swings from venomous hardcore fury into disarmingly catchy grunge-inflected choruses, channeling the raw energy of 1990s heavy music. The band represents Buckley's artistic rebirth after the acrimonious end of Every Time I Die.

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Worcester's Marauder have been delivering no-frills, hard-hitting thrash metal since 2005 — part of a New England scene that's never shied away from aggression. Their sound channels the classic thrash playbook with genuine conviction.

Massive Doom Metal from San Antonio.

Named after a viral hemorrhagic fever, Los Angeles' Marburg bring clinical precision to their hybrid of technical death metal and grindcore. Formed in 2016, the band strips both genres down to their most potent elements — speed, density, and surgical brutality.