A progressive death metal band from Uberlândia, Minas Gerais, formed in 2015 and catalogued in the Encyclopaedia Metallum. They operate within the technically demanding intersection of progressive and death metal, a style that has seen steady growth in Brazil's interior state of Minas Gerais alongside peers drawing from both the complexity of prog and the brutality of death metal.

Acid Trip is a four-piece progressive and stoner metal band from Valdivia, Chile, formed in 2010, comprising Felipe Mendoza (guitar/vocals), Sergio Hinojosa (guitar/vocals), Nicolás Mendoza (bass/vocals), and Felipe Valencia (drums/vocals). Their debut album "Volumen Uno" was released on December 9, 2024, recorded at Estudios MonteRanco in Futrono, and features singles including "Hombre Elefante," "Mary Jane," and "Cabalgata en el Apocalipsis." The record received positive reception across the Chilean metal and rock press.

Aliquid is a progressive/power metal band from Aracaju, Sergipe, Brazil, formed in 2011 and active in the northeastern Brazilian underground metal scene. Playing in a genre dominated by bands from the south and southeast, Aliquid brings melodic progressive metal with power metal dynamics to a region less commonly represented in Brazilian metal discourse. The band is unsigned and independent, releasing music through Bandcamp.

Alliance is a progressive power metal band from Fortaleza, Ceará, bringing the melodic ambition of the genre to Brazil's northeast. Formed in 2014, they sit within a tradition of Brazilian power and prog metal acts known for technically ambitious compositions and soaring vocals.

Almah was a São Paulo progressive power metal band founded in 2006 by Edu Falaschi, who had previously fronted Angra for a decade. Falaschi left Angra in 2012 to focus entirely on Almah, releasing albums including 'Motion' (2011), 'Unfold' (2013), and 'E.V.O.' (2016), and the band performed at Rock in Rio (2013) and ProgPower USA (2015) before eventually going on indefinite hiatus.

Alyiria is a progressive symphonic death metal band from Teresina, Piauí, formed by vocalist Bruna Soares alongside Ícaro Allysson, João Arthur, and Leonardo César. Their debut album "Heiress" (2023) is a concept record tied to a dark fantasy novel, drawing comparisons to Fleshgod Apocalypse and Cradle of Filth for its hour-long runtime, neoclassical guitar solos, and densely orchestrated arrangements.

Anama is a progressive and symphonic metal band from São Bernardo do Campo, in the greater São Paulo metropolitan area of Brazil, formed in 2023. Part of the broader AnamA project that blends symphonic prog metal with ethnic and orchestral influences, the band features Babi Bueno on vocals and keys alongside Caio Garibaldi on guitar, crafting layered cinematic metal with roots in the ABC Paulista underground scene.

Angel X was a progressive/power metal band from São Paulo, Brazil, operating as an independent act with lyrical themes centered on Christianity and war. Short-lived and self-released, the band explored the melodic and technical end of power metal in the tradition of the São Paulo metal scene before splitting up.

Atheris is a progressive and symphonic metal project from Buenos Aires led by Julian Muller, released through the Amniote Editions label and known for conceptually linked releases including ZRS-1: Instant Molting 1.0 and ZRS-2: Instant Molting 2.0 in 2019, followed by the Maculata EP in 2022. The project takes its name from a genus of venomous bush vipers, with track and album titles drawn from herpetology, underscoring a distinctive conceptual identity.