Audio Kollaps is a death metal, grindcore, and crust band from Hanover, Germany, founded in 1998 by three members of the hardcore punk band Recharge, blending hard, aggressive riffs with concise, nihilistic lyrics. Their releases Ultima Ratio, Music from an Extreme Sick World, and Panzer deliver a brutal mixture of death metal, grindcore, and hardcore punk.

Audiocitadel channels groove and industrial metal from the Tomsk Oblast since 2024. Their sonic-fortress name drives mechanized heaviness from this western Siberian region.

Audiorrea has been grinding out death metal and grindcore from the Catalan city of Reus since 2010. Their name, a play on "diarrhea," signals a band that values sonic excess and visceral impact above all else.

Audiovision delivers heavy and melodic power metal from Kungsör in Södermanland since 2016. Their sensory-fusion name drives a decade of compositions that unite sonic and visual imagination from this small Mälaren Valley town.

Audrey Fall has explored post-metal and rock from Jelgava in central Latvia since 2014. From this Zemgale region city on the Lielupe River, they craft expansive, dynamically shifting compositions that blend post-rock atmospherics with metallic weight.

Auerkallio blends progressive death metal with progressive rock from Tampere since 2011. Their Finnish-language name adds local identity to compositions that bridge the technical demands of death metal with the expansive possibilities of progressive rock.

Aufhebung is an instrumental post-metal and sludge band from Belgium, formed in 2019 and influenced by Amenra, Russian Circles, Neurosis, and Pelican. Their debut album "Chasms" (2021) and follow-up "Luchtbegrafenis" combine slow sludgy riffs with frantic dissonant guitar work and melancholic harmonies, reflecting their stated aesthetic of "beauty within chaos."

Aufschwung practices black metal from Yekaterinburg as of 2025. Their German name meaning 'upswing' or 'recovery' brings an unexpectedly optimistic title to black metal from the Urals.

Augmented Existence creates atmospheric black metal from an undisclosed Finnish location since 2018. Their enhancement-focused name suggests black metal that transcends its basic form, reaching for expanded emotional and sonic territories.