Amazon is a melodic heavy metal and rock band from Valinhos, São Paulo, Brazil, playing a style influenced by European power and melodic metal traditions with a focus on themes of love, fantasy, and Brazilian culture. The band is associated with Ravenheart Music and was previously known as Silent Saga. Their sound sits in the melodic and accessible end of the Brazilian heavy metal spectrum.

Progressive metal and rock band from Ouro Branco, Minas Gerais, formed in 2001 with Christian lyrical themes. The quartet — featuring Ricardo d'Toledo on keyboards and vocals, Isaque Soares on guitar and bass, Euler Fabrine on guitar, and Delias Junior on drums — released two full-lengths: "Without Electrons" (2002) and "Wrong Way" (2003, reissued 2014), both self-produced works showcasing intricate instrumentation.

Bad Salad is a progressive metal band from Brasília, Brazil, formed in 2007 by brothers Thiago Campos (guitar) and Felipe Campos (bass) alongside drummer Caco Gonçalves. Their debut album Uncivilized (2012) earned international critical acclaim for its complex songwriting and songs regularly exceeding ten minutes, drawing comparisons to Dream Theater and Opeth; the follow-up EP Puzzled appeared in 2013. The band was handpicked by Mike Portnoy to perform on the Progressive Nation at Sea cruise in 2014, one of the few Brazilian acts to achieve that distinction.

Bagual is a stoner metal and heavy psych band from Santiago, Chile, comprising Francisco "Greengo" Yañez (guitars and vocals), Felipe Machuca (guitars), Julián "Lobo" Inostroza (bass), and Alejandro Clavijo (drums). The band debuted with I: Viento Sur (2014) and followed with II: Viento Norte (2015), both recorded independently in Chile, and have continued releasing music through Nulla (2017) and Inhvmar (2024).

Bagual is a stoner metal and heavy psych band from Santiago, Chile, comprising Francisco "Greengo" Yañez (guitars and vocals), Felipe Machuca (guitars), Julián "Lobo" Inostroza (bass), and Alejandro Clavijo (drums). The band debuted with I: Viento Sur (2014) and followed with II: Viento Norte (2015), both recorded independently in Chile, and have continued releasing music through Nulla (2017) and Inhvmar (2024).

Bardasagat is a Patagonian stoner metal band from Neuquén, Argentina, active since 2018 and comprising Mauro and Ariel on guitar and vocals, Franco on bass, and Matías on drums. The band has released the "Samsara/Atreyu" record and captured their live energy on "En vivo '23" (2023), self-describing their sound as "stoner patagónico."

Black Bull Fuzz is a stoner rock trio from Jaú, São Paulo, Brazil, formed in 2017. The band delivers heavily fuzzed, groove-driven stoner rock, and released their debut EP "Sound of Chaos" in 2017.

Blacktorch is a Buenos Aires instrumental progressive metal band led by guitarist Juan Polastri alongside co-founder Gabriel Pozzo on drums. Their debut album Gravitational Collapse, released on October 24, 2023, uses the physics of gravitational collapse as a conceptual framework, blending modern metal with elements of jazz and rock.

Bordel Inferno was a stoner rock and stoner metal band from Rio de Janeiro, Brazil, formed in 2014. The band consisted of Willie Zureta on vocals, Rodrigo Treze on guitar, Eerie Jones on bass and vocals, and Pedro Quintino on drums, and released their debut EP 'Volume I' in January 2014.