Aeterna Hystoria explores progressive metal from the Auvergne-Normandy corridor, bridging Aurillac, Clermont-Ferrand, and Vernon through compositional ambition. Their Latin-historical name signals a project focused on crafting epic, narrative-driven metal.

Aetherra is the solo progressive black and death metal project of Benedikt Brixius from Bonn, Germany, exploring themes of mysticism and self-reflection. Releases like the album Rán and tracks Fylgja and Deconstruct reveal a project that merges black metal's intensity with progressive structures and introspective depth.

Aethervoid crafts atmospheric black metal with progressive elements from the French underground since 2025, their cosmic name evoking the emptiness between stars. The project represents the newest wave of France's atmospheric extreme metal.

Aeurtum merges death metal, doom metal, melodic death metal, and progressive metal from Birmingham since 2011, creating an ambitiously broad sound from the birthplace of heavy metal. Over a decade of four-genre fusion reflects the creative depth of the Second City's metal scene.

Afargang channels progressive folk metal from an undisclosed Norwegian location since 2022. Their Old Norse-derived name, suggesting a departing journey, guides compositions that blend folk instrumentation with progressive complexity.

Afasia explores progressive metal and rock from Rome as of 2025, named after the medical condition of impaired language ability. Paradoxically, their music seeks to communicate complex ideas through the elaborate vocabulary of progressive metal.

After Eternity explores progressive metal from Oslo since 2017. Their name suggests the impossible — what comes after the infinite — and their compositions pursue equally ambitious structural territory.

After Forest blends groove and progressive metal from Vaasa on Finland's western coast since 2012, creating a rhythmically complex yet accessible sound. Their arboreal name and Ostrobothnian origins connect them to Finland's vast forest landscapes.

After Realized explores progressive metal from Nantes since 2017, bringing structural complexity and intellectual depth to the Loire-Atlantique metal scene. Their reflective name suggests music that unfolds its full meaning only upon repeated listening.