Anopheles is a death metal band from Rio de Janeiro with roots going back to the mid-1990s Brazilian extreme metal scene. The band recorded their foundational release "Abstention of Life" in May 1995 at Estúdio Manhatan in Rio de Janeiro, an album that has since circulated among collectors of rare Brazilian demo recordings. Their lyrical themes deal with agony, suffering, and the darker dimensions of humanity.

Anorak is a raw black metal band from Rio de Janeiro, Brazil, active since the late 2000s and signed to Holokaostor Productions. The band operates firmly in the lo-fi, primitive black metal tradition, with lyrical themes centered on Satanism, anti-Christianity, and blasphemy.

Anorkia was a death metal band from Curitiba, Paraná, Brazil, active in the early 2000s before splitting up. The band operated as an independent act within Brazil's underground death metal scene, releasing a self-produced demo in the mid-2000s with lyrical themes grounded in realism.

Ansata was a progressive metal band from Piracicaba, São Paulo, whose name is the Latin word for the ankh symbol. The band released their debut album "Crux Ansata" in 2008, a concept record steeped in ancient Egyptian mythology and middle-eastern musical influences, woven through technical guitar work and prominent keyboards. The lineup included vocalist Malagueta, guitarist Rafael Romani, keyboardist Thomas Barcelos, and drummer Thiago Siqueira.

A death/thrash metal band from Rio de Janeiro with roots stretching back to the mid-1980s underground scene, founded by guitarist Alberto "Urubu" Lemos. The band built a reputation through raw demo recordings and aggressive live performances before releasing their 1997 album "Fate" on Kaos Records, which drew attention from the worldwide underground circuit. Their sound draws on the hard-edged Brazilian thrash tradition, with lyrical themes centered on war, societal collapse, and political decay.

A Brazilian Viking metal solo project by multi-instrumentalist Witmar, who handles all instruments and vocals. The project draws on Norse mythology and pagan themes — including song titles in Old Norse — while operating from South America, a rare combination that situates it within Brazil's small but dedicated Viking metal underground. Earlier releases came out through Metalage Productions and White Metal Art Producciones.

Antagonyze is a death metal band from the Bio Bio region of Chile, founded by guitarists Ignacio Riveros and Francisco Álvarez and bassist Mateo Gutiérrez. The band released the demo cassette Echoes from Soul in 2020 and later re-recorded and expanded that material into their debut full-length Interpretations of the Unknown Wilderness, released in April 2024 on Chaos Records. The album was recorded at Estudio Chains in Los Ángeles, Chile, and drew praise for its old-school 1990s death metal approach with thrashing, prog-inflected intensity.

A thrash metal band from Parauapebas in the state of Pará, deep in the Brazilian Amazon region. They released their debut album "Na Terra do Metal" in September 2014, a seven-track record with tracks like "Antropofagia," "Tortura," and "Homicida Nuclear" that channel the aggressive speed and blunt sociopolitical edge of classic Brazilian thrash. The band's origins in a remote frontier city in Pará gave their aesthetic a distinctly raw, regional character that drew academic attention as a study in extreme metal and Amazonian identity.

Antenor are a thrash metal band from Cipolletti in Argentina's Patagonian province of Río Negro, drawing on the classic influences of Megadeth, Testament, and Sepultura. Their 2016 album Círculo del Infierno, released through Tommy Gun Records and distributed via Universal Music, established them across the Patagonian circuit and earned them dates in Buenos Aires and Santiago de Chile. The band is built around brothers Nicolás and Gustavo Estrada.