Cancerous Social Thoughts is a grindcore band from Asunción, Paraguay, formed in 2017 and released through Grinder Cirujano Records. Their 2017 full-length Distopía and 2021 split Grindkaos deal in themes of political unrest, social oppression, mass destruction, and anti-religion, delivered in the blasting, concise format typical of the genre. They are one of the few active grindcore acts documented from Paraguay's underground extreme metal scene.

Tahlequah, Oklahoma black metal project active since the early 2020s, operating in the raw and uncompromising vein of the underground scene.

American black metal project active since 2019, dwelling in the raw and hostile corridors of the underground tradition.

Brooklyn act formed in 1992 who charted a restless evolution from progressive death metal into mathcore and hip-hop-infused fusion, releasing demos through Century Media-connected channels.

Candlebox formed in Seattle in 1990 and became one of the more commercially visible rock bands to emerge from the city's post-Nevermind major-label wave. Their 1993 self-titled debut arrived on Maverick and moved quickly because songs like "Change," "You," "Cover Me," and "Far Behind" joined grunge-era guitar weight to bluesy hard-rock vocals and broad radio hooks. Kevin Martin's voice gave the band its main identity, stretching from gritty restraint into big, open choruses, while Peter Klett's guitar work kept the material tied to classic hard rock as much as alternative rock. Later albums such as Lucy, Happy Pills, Into the Sun, Love Stories and Other Musings, Disappearing in Airports, Wolves, and The Long Goodbye showed a band that never fully abandoned its 1990s foundation but kept leaning into road-tested rock craft. Candlebox's heaviness is not extreme; it comes from thick guitars, vocal drama, and the emotional directness of post-grunge songwriting. Their best-known songs remain durable because they turn grief and tension into riffs that feel immediate rather than ornamental for rock radio.

Kansas City death metal band formed in 2023, bringing apocalyptic themes to the genre's crushing sonic palette.

New Hampshire raw black metal project that emerged in 2025, embracing lo-fi abrasion and unpolished intensity as core aesthetic values.

Fargo, North Dakota black metal act operating since 2018 in the cold northern reaches of the underground scene.

Candy formed between Richmond, Virginia and Buffalo, New York in 2016, drawing members from bands including Malfunction and Backtrack. Their debut LP Good to Feel (2018) established their uncompromising blend of ferocious hardcore, noise rock, and extreme metal, and they have continued to refine that sound on Heaven Is Here (2022) and It's Inside You (2024). The band draws from Integrity, Japanese burning spirit hardcore, and multiple schools of extreme metal.