California/Philadelphia grindcore and thrash project. The politically charged name channels contempt through cross-country extremity.

Agent Slimepunk is a Florida-based project that began as melodic death metal before veering into glitch, dubstep, and electronica. The schizophrenic evolution across four releases — from death metal to electronic music and back — makes this one of the more unpredictable acts in the dataset.

Los Angeles/Tampa thrash metal legends who helped pioneer the speed metal movement in the 1980s. One of the most important bands in the early LA thrash scene.

Agent X is a thrash metal band from Amherst, New York. Their 2023 full-length "The War Will Feed Itself" delivers eight tracks of politically charged thrash from the Buffalo suburb.

Agents of Man is a New Jersey metalcore and hardcore punk band formed in 2000, featuring veterans of acts including Bulldoze, One4One, and Maximum Penalty. The band released Count Your Blessings in 2005 and maintained an active profile in the New Jersey and New York hardcore scenes before disbanding in 2006 and reuniting in 2018. Their sound sits at the intersection of metalcore and East Coast hardcore.

Agentz of Khaos is a groove, death, and thrash metal band from Harrison, Arkansas. Their 2021 single "Khaos Reigns" introduces the band's blend of groove-driven heaviness from the Ozarks.

Boston death metal project. Forgotten millennia rendered in New England extremity.

Agga is a thrash and black metal band from Naples, Florida. Their two 2023 EPs draw from ancient Sumerian mythology — "By the Fiery Scimitar of Shammash" and "Sumerian Tablets - The Origins of Human Creation" — wrapping historical mysticism in aggressive thrash-black metal.

Aggadah is a stoner/doom metal band from Salt Lake City, Utah. Named after the non-legalistic portions of the Talmud, the band's 2021 EP "Confessions" delivers five tracks of heavy, riff-driven doom from an unlikely theological angle.