Braincrusher is a crossover thrash band from Rio Claro, São Paulo, Brazil, formed in 2015. The band recorded their debut release "Mosh Crush Your Brain" live at the Válvula 9 studio in Rio Claro in August 2015, blending hardcore punk energy with thrash metal riffs, and followed it with the EP "Pátria Falida" in 2017 before going on hold.

Brainscanner is an industrial sludge metal project from São Paulo, Brazil, formed in 2016 by Ricardo Siqueira and Alexandre Dantas, known for slow, heavy, and mechanistic riff-driven compositions. The duo has been highly prolific, releasing a string of albums including "Trilobita" (2016), "Phoneutria" (2018), "Secret Transmissions" (2020), "Moebius" (2021), and "Slow Evolution" (2023), the latter recorded over three years in home studios.

Brainshot was a thrash metal band from Antofagasta, Chile, formed in 2009 and now split up, who released a demo titled Ataque Zombie in 2011 featuring Spanish-language tracks. They were part of the underground metal scene in northern Chile before disbanding.

Brainstormy is a progressive and avant-garde thrash metal band from Taubaté, São Paulo, Brazil. The band blended complex, experimental arrangements with thrash aggression, setting them apart from the more straightforward São Paulo thrash scene. They have since split up and were signed to AWC Records during their active period.

Brainwash is a thrash metal band from São Paulo, Brazil, formed in 2011. The band released the album "Time to Act" in 2013, a 12-track record rooted in the classic thrash metal style. They have since split up.

Bravecore is a metalcore band from the São Paulo and Guarulhos area of Brazil, formed in 2021. Drawing influence from acts such as As I Lay Dying, Lamb of God, and Asking Alexandria, the band writes lyrics in both Portuguese and English covering motivational, introspective, and political themes. They released their debut EP "Devastação" in 2021 and have appeared at multiple editions of the Metalcore Fest in São Paulo.

Bravelord is the solo power metal project of Chilean musician Rodrigo Bravo, launched in 2021 with the debut single The Power From The End Of The World, produced by Nicolás Arce at AST Studios. The debut full-length album of the same name was released in November 2025 through AST Music, a conceptual record built around an environmental allegory featuring guest vocals from Caterina Nix of Chaos Magic and Paulo Domic, drawing from the classic late-1990s power metal sound.

Braves Face the Devil is a stoner metal band from Fortaleza, Ceará, Brazil, formed in 2015. The band later evolved and continued under the name Netuno Doom, shifting toward a progressive doom metal sound with science fiction-themed lyrics drawing on cosmic horror and cyberpunk influences. Both incarnations have been active parts of the northeastern Brazilian heavy music scene.

Break the Ice is a death/thrash metal band from São Paulo, Brazil, formed in 2013. The band released a demo tape in 2015 featuring tracks such as "Agony" and "Blessed Death," recorded and mixed by Ugo Héon. They have since split up.