Southern Tongues is an Ohio death metal and hardcore band formed in 2019, bringing the visceral collision of extreme metal and hardcore aggression that defined bands working the boundary between the two genres in the American underground.

Southgate is a Portland, Oregon progressive deathcore band formed in 2009, layering the technical complexity and dynamic ambition of progressive metal atop deathcore's crushing low-end rhythmic foundation.

Sovereign Blaze is a New York City black/death metal and noise project formed in 2025, channeling abrasive, dissonant extremity with elements of noise woven into their attack.

Progressive/technical death metal from Dallas.

Sovver is a Denver, Colorado band formed in 2023 that merges progressive and technical death metal with deathcore, pursuing a dense, technically demanding sound built on shifting time signatures and brutal low-end.

Space Ghoul is a death metal band from Albuquerque, New Mexico, formed in 2018, combining science-fiction and horror imagery with aggressive, unrelenting death metal.

Space Lumberjacks are a death metal band from Suitland, Maryland, formed in 2018. Their name pairs blue-collar brutality with cosmic imagery, a fitting vessel for the blunt, grinding approach characteristic of East Coast death metal.

Space Murder is a death metal band from Sandstone, Minnesota, formed in 2018. Hailing from a small town in the rural Upper Midwest, they channel the isolation of their surroundings into a straightforward, punishing death metal attack.

Spaceboy is a San Francisco band formed in 2017, navigating an eclectic intersection of progressive stoner, doom, and death metal. Their genre-blending approach reflects the Bay Area's history of genre-boundary-pushing heavy music, layering psychedelic texture over heavier structural ambitions.