Metralleta is a heavy/groove metal band from Larroque, Entre Ríos, a small city in eastern Argentina seldom represented in the local metal scene. Their recorded output includes the 2009 album Todo o Nada and the follow-up Puente, released on August 1, 2014, which features tracks such as "Cuando los muertos viven," "Vértigo," and "Victoria."

A São Paulo heavy metal band whose Portuguese-language lyrics confront class struggle, systemic oppression, and social decay with blunt force. Their 2018 physical release ABISMØPORTAL, put out through Shinigami Records, combined the Abismo EP with the subsequently recorded O Portal EP, documenting two distinct phases of the band's evolution.

Molitium is a heavy and progressive metal band from Santa Catarina whose 2018 debut album "Progeny" laid out a sound rooted in melodic guitar work and dynamic song structures. The record featured guest appearances from Marcelo Braga across multiple tracks, giving it a collaborative texture uncommon for a debut release.

Motorcrush play a direct brand of heavy and thrash metal rooted in the classic American acts — Metallica, Megadeth, and Pantera are the most audible touchstones. Their debut demo 'I Control You' introduced the band with six tracks covering themes of war, personal freedom, and societal control.

Nekrós is a heavy/thrash metal band from the southern Santa Catarina scene, combining the aggressive momentum of classic thrash with heavier, more groove-oriented textures. The band has maintained an independent path since their formation, building their sound around themes of society and mortality.

The solo project of Cris Oliveira, Nestor Durruti channels classic heavy and power metal through an explicitly anarchist lens, naming the band after the Spanish anarchist icon Buenaventura Durruti. The 2020 debut Passos includes a cover of Judas Priest's 'Electric Eye' alongside original material steeped in libertarian politics and melodic metal craft.

Omni Gear emerged in 2016 from the ashes of Rebel Machine, a heavy metal act the same members had been running since 2005, bringing a harder power metal focus to the new project. Their lyrical universe runs through science fiction, political commentary, and social themes, and the band placed the track "Fever Dream" on the Natal Metal Compilation III released through Dio Records.

Operador channel the frustrations of the Brazilian call-center grind into punishing thrash and heavy metal, with lyrics drawn directly from the monotony and dehumanization of telemarketing work. Their 2022 demo "Conexão Call Center" laid out the concept in eight tracks, and the re-recorded version released in 2023 sharpened the riffs while keeping the satirical edge intact.

A solo project by multi-instrumentalist Danilo Rakkaus, Ormsdóttir debuted in early 2024 with the three-song EP Children of Sin, drawing from classic Black Sabbath-style doom while threading in stoner and depressive textures. The tracks range from driving, energetic riffs to slow, heavy passages, making a compelling first statement for a one-person outfit with a clear ear for contrasting moods.