Apocalypse Mallard merges death and progressive metal from the cathedral city of Canterbury since 2014, their absurdly juxtaposed name combining apocalyptic imagery with waterfowl. Over a decade of technically ambitious metal from Kent speaks to sustained creativity.

Aporia has explored progressive metal from Formia in the Latina province of Lazio since 2006, named after the philosophical concept of an irresolvable contradiction. Their two-decade presence on the Tyrrhenian coast has produced compositions that embrace complexity and paradox.

Apos combines death metal's intensity with progressive metal's structural ambition from Helsinki since 2020. Their abbreviated name belies the complexity of a sound that bridges extremity with technical sophistication.

Apotheus explores progressive metal from Paços de Ferreira near Porto since 2019. From the 'capital of furniture' in northern Portugal, they construct elaborately detailed progressive compositions.

Approx blends heavy metal with progressive metal from Trondheim since 2017. Their mathematical-imprecision name suggests compositions that approach perfection without claiming to achieve it.

Aquarius has been crafting progressive symphonic metal from Aix-en-Provence since 1993, making them one of the longest-running metal acts in all of Provence. Over three decades of compositional ambition speak to an extraordinary commitment to the genre.

Aran Prog Project is Barcelona guitarist Aran's vehicle for progressive metal exploration, building layered instrumental compositions since 2018. The project showcases the technical ambitions of Catalonia's prog-metal community.

Arbatax explores progressive and groove metal from Kyiv since 2017. Named after a Sardinian village, their Mediterranean reference adds unexpected Italian island warmth to technically ambitious Ukrainian metal.

Arbor Vitae explores progressive metal from the coastal city of Vaasa since 2020, their Latin name meaning "tree of life" reflecting organic, growth-oriented compositions. Their sound channels the natural world through the lens of progressive metal's technical ambitions.