New Brunswick, New Jersey's Kalopsia have been delivering death metal of the straight-edged, no-frills variety since 2011, with roots deep in the dense New Jersey/New York underground. Their approach is direct and deliberately unadorned.

From the small college town of St. Peter, Minnesota, Kalopsya have quickly made themselves known since forming in 2023 with a style that blends melodic death metal's emotive sweep with the modern aggression of metalcore. An unlikely origin for a band with genuine momentum.

Cleveland's Kalttod push black metal into uncomfortable ambient and noise territory, treating the genre as a vehicle for disorientation rather than just aggression. Formed in 2021, the project represents the more experimental wing of Ohio's underground extreme music community.

Phoenix's Kama-Mara have been threading experimental impulses through black and death metal frameworks since 2009, creating music that resists easy categorization. The desert heat of Arizona seems to filter into their unorthodox approach to extremity.

A New York hard rock and heavy metal act active since 2016, Kamakaze draw on the classic voltage of traditional heavy metal while bringing a contemporary edge to well-worn sounds. Unpretentious and loud in equal measure.

Thrash metal from the Bronx, New York — Kamchatka have been bringing the raw, street-level energy of New York City to the genre since 2005, two decades of tightly wound riffs and urban aggression. Their longevity in one of America's most competitive scenes is a testament to their commitment.

Founded in Tampa, Florida in 1987 by guitarist Thomas Youngblood, Kamelot are one of the leading American progressive power metal acts, combining operatic vocals, classical arrangements, and conceptual storytelling across thirteen studio albums. Their international reputation was cemented by The Black Halo (2005), a concept sequel to their prior record Epica, and the band has maintained a consistent presence on the global metal touring circuit through multiple vocalist changes over four decades.

Kami Kehoe is a modern alternative rock artist whose music moves between hard-rock impact, emo-pop immediacy, and heavier alternative-metal textures. Her first broad streaming attention came through songs such as "SLEEP WHEN IM DEAD," "DOPAMINE," "DIE 4 U," and "FADE OUT," which frame big choruses with distorted guitars, electronic polish, and vocal melodies built for direct emotional contact. REVIVED and later singles show a project shaped by current rock playlists rather than a single old scene: the songs can lean toward pop punk's brightness, nu-metal-adjacent low-end, or dark pop drama, but they keep a guitar-forward core. Kehoe's appeal comes from the way she presents vulnerability as volume, turning self-doubt, obsession, exhaustion, and defiance into concise hooks. The music is not traditional metal, yet it qualifies as metal-adjacent hard rock because the production uses heavy guitars and impact-driven arrangements as more than background color. Her young catalog is still forming, but its identity is already clear: polished, emotionally blunt alternative rock with enough edge to sit beside modern heavy acts for heavy playlists.

Dallas death metal newcomers Kampilan — named after the single-edged Philippine sword — arrived in 2025 with a sound built for total devastation. A brand-new entry in the already formidable Texas death metal tradition.