Altars of Moss is an instrumental psychedelic doom trio from Herne, Germany, formed in late 2023, whose music arises organically from jamming and draws inspiration from the beauty and depths of nature. Their 2024 demo, released on Erdkern Records, features two tracks of heavy psych and doom recorded in their rehearsal room, showcasing the band's immersive, jam-based approach.

An atmospheric doom/sludge metal band from Brussels, currently active and releasing music independently. Their music sits within the Belgian tradition of heavy, slow-motion atmospheric metal, and they appear in both the Metal Archives and local doom/sludge scene documentation.

Alter the Chronicle creates melodic groove metal from Moscow since 2015. Their history-rewriting name drives over a decade of rhythmically charged compositions that seek to reshape metal's narrative from the Russian capital.

Alteration delivers death metal from Karlsruhe since 2021, their name suggesting transformation through the destructive medium of extreme music. From Baden-Württemberg's second-largest city, they bring fresh brutality to the southwestern German scene.

Altercated creates death metal from Bielsk Podlaski in the Podlasie region, with roots dating to 1970 in an extraordinarily early origin. Their confrontational name captures decades of aggression from this small town near the Belarusian border.

Altered Beast delivers heavy metal from the Picard city of Amiens since 2014, named after the classic Sega arcade game. Their retro-gaming inspiration feeds a sound that channels the raw power of old-school metal through a nostalgic lens.

A Belgian raw black metal project that released a series of demos in 2018–2019 before issuing Black Hearts of Misanthropic Benevolence (2020) and Dimensions of Eternal Blasphemy Ordained in Satanic Majesty (2021), as well as splits with Dakhanavar and Spider God. The project is described as dwelling in cold melancholy and unrelenting, hateful misanthropic atmosphere in the tradition of primitive second-wave black metal.

Altered Rage channels melodic death metal from Kumla in Närke since 2022. Their transformed-fury name drives compositions of reshaped aggression from this small central Swedish town.

Alteri blends death metal with crust punk from Cologne since 2018. Their Latin name meaning 'the other' captures the outsider energy of their genre-crossing approach, merging extreme metal's technical ambition with punk's raw directness.