Los Angeles death metal project. The name's hostility channels LA's darker undercurrents through extreme music.

Act of Defiance is a thrash metal band from Los Angeles, California. Featuring former members of Megadeth, the band delivers precision thrash metal with the technical chops and polish of seasoned professionals across two full-lengths.

Acualli is a death and black metal band from Long Beach, California. With nine releases to their name, the band has built a substantial body of work that draws from Mesoamerican themes and imagery, filtered through a lens of extreme blackened death metal.

Adamantium is a death metal and crust band from California. The band merges the raw, political urgency of crust punk with the heaviness of death metal.

Adema is an American nu metal band formed in Bakersfield, California in 2000, featuring vocalist Mark Chavez, who is the half-brother of Korn's Jonathan Davis. The band signed to Arista Records and achieved mainstream visibility with their self-titled debut in 2001, driven by the singles "Giving In" and "The Way You Like It," followed by Unstable in 2003. Despite significant lineup instability throughout their career, they remained active with intermittent activity into the 2010s.

Adeptus is a raw black metal project from Los Angeles, California. With five releases, the project maintains the lo-fi, uncompromising aesthetic of raw black metal amid the sprawl of Southern California.

Los Angeles black metal project. The name — meaning to urge or appeal solemnly — adds gravity to City of Angels darkness.

Adon is a California black metal project that emerged in 2020 with their EP "Arkane." Little is known about the entity behind the project, which channels occult themes through four tracks of atmospheric black metal.

Adonis is a speed and thrash metal band from Los Angeles. Their sound nods to the classic speed metal revival while incorporating modern production sensibilities, drawing from LA's rich tradition of high-velocity metal.