Ad Infinitum is a death metal band from Chicago, Illinois. With six releases, the band has maintained a consistent presence in the Windy City's storied death metal scene.

Adabesi Lives is a slam, brutal death metal, and goregrind project. The band pushes extreme metal to its most guttural and visceral limits across two releases of relentless brutality.

Adaia is a power metal band from Cartago, Valle del Cauca, Colombia, formed in 2011 by guitarist Jorge Soto, vocalist Cristian Badillo, and drummer Jaime Guzmán. The band crafts melodic heavy metal centered on themes of freedom, hope, death, and love, drawing on the classic power metal influences the members grew up with. They operate as an independent act and released early material including the 2013 single "Muerto en Vida."

Adam Eytan is a progressive and melodic death metal solo artist from Hartford, Connecticut. The project blends technical precision with melodic sensibility within a framework of modern progressive death metal.

Adam Shepard is a folk and power metal solo artist from Farmington, Michigan. The project fuses the storytelling traditions of folk metal with the anthemic energy of power metal across two releases.

Adamantis is a power metal band from Brighton, Massachusetts. With two releases, the band delivers soaring vocals, melodic guitar work, and the epic grandeur that defines the power metal tradition.

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.

Adame is a metalcore band from St. Petersburg, Florida. The band delivers the aggressive energy and emotional intensity that defines the Florida metalcore scene.

Adar is a black metal band from Littleton, Colorado. With four releases, the band channels the cold, mountainous atmosphere of the Colorado Front Range into their black metal vision.