A heavy metal band from Kostelec nad Orlicí in the Hradec Králové Region, Aspect operate within the Czech traditional metal underground. Their Bandcamp URL resolves to an unrelated electronic/ambient project, and specific release information for this Czech act was not verifiable through available sources.

Aspen has crafted stoner and doom metal from Barcelos in the Minho region since 1995, making them one of Portugal's oldest stoner doom acts. Three decades from this northern Portuguese town famous for its folk pottery rooster have produced a substantial body of hazy, riff-heavy work.

Asperatus delivers technical death metal from Kraków since 2015. Named after the rare, turbulent cloud formation, their sound channels atmospheric turbulence through surgical-precision brutality from Poland's cultural capital.

Aspergillus Flavus has crafted death, doom, and gothic metal from Gdańsk since 1997, nearly three decades under a name borrowed from the toxic mold that produces aflatoxin. Their mycological identity drives compositions of slow-spreading, persistent toxicity from the Baltic coast.

Brighton's Asperitas deliver a crushing blend of death metal, deathcore, and groove metal, shifting between technical precision and brutalising breakdowns. Since 2012, they've honed a sound that balances the cerebral with the visceral, making them a standout in the UK's extreme metal underground.

Asperity explores progressive heavy metal from Sala in Västmanland since 2024. Their roughness-named project brings textural complexity to progressive compositions from this historic Swedish silver-mining town.

Asphagor are a black metal band from the Tyrol region of Austria with over a decade of releases, including Havoc (2010), Anti (2013), The Cleansing (2018), and Pyrogenesis (2023), all leading toward the forthcoming The Aphotic Vortex via Immortal Frost Productions. Their sound is rooted in ferocious, relentless second-wave black metal with a Tyrolean contempt for compromise, characterised by incendiary tempos and an anti-human thematic core.

Greek heavy metal act Asphalt Lips deliver road-worn, riff-driven metal with a blue-collar attitude. Since 2021, they've crafted a straightforward sound built on classic heavy metal foundations.

Asphaltator thrashes from Rome since 2016, their name suggesting a machine that paves roads — and eardrums — with relentless mechanical force. From the Italian capital, they deliver crushing thrash with the efficiency of heavy construction equipment.