Letters From is a stoner/sludge metal band from Rio de Janeiro, Brazil, drawing on influences including Kyuss, Neurosis, Mastodon, and Tool. The band released their debut EP "Witch" in late 2013, establishing their heavy, riff-driven sound within the Brazilian underground heavy music scene.

Los Suffers is a doom/sludge/death metal trio from São José dos Campos, Brazil, consisting of Luiz Dias (vocals/guitar), Jean Carreira (bass), and Brendan Kitchen (drums). The band released their debut full-length "Quando A Chama Se Apaga" in March 2022, a six-track album spanning over fifty minutes of heavyweight doom recorded at AS Studio in São José dos Campos. The record drew praise from the international doom and stoner metal press, with Doomed and Stoned highlighting it as a standout entry in Brazil's underground heavy scene.

Lâmmia is a stoner/doom metal band from Rio de Janeiro, Brazil, formed in 2018, pairing heavy and dense riff-driven instrumentation with bluesy female vocals. The band released their self-titled EP in 2018, which includes the track "Acid Trip," and has been featured in compilations spotlighting the Brazilian stoner and doom scene. Their sound draws on heavy psych and classic doom traditions while retaining a distinctly soulful sensibility.