Maestrick is a progressive power metal band from São José do Rio Preto, São Paulo, Brazil, formed in 2011 around a sound that blends power metal with progressive rock, world music, and theatrical, multimedia influences. Their debut album "Unpuzzle!" (2013) established their conceptual approach, drawing on surrealism and the arts, while the two-part "Espresso della vita" series — "Solare" (2018) and "Lunare" — forms an ambitious concept album spanning the 24 hours of a day. The band's work has been released in Brazil, Germany, and Japan, with the current lineup featuring vocalist Fábio Caldeira, guitarist Guilherme Henrique, bassist Renato Somera, and drummer Heitor Matos.

Magiak is a black metal band from Bogotá, Colombia, formed in 2026. The band released their debut demo "Tempus Fugit" in January 2026, a six-track recording featuring Spanish-language song titles rooted in themes of horror and darkness.

Magicus Pacha Moon is a Death/Doom Metal band from San Gabriel, Carchi, Ecuador, originally formed in 2001 and revived in 2019. Their 2021 debut album "Vientos de Immortalidad" draws on old-school death/doom influences, exploring themes of nature, solitude, and introspection through ten tracks recorded under the cold shadow of the Andean mountains. The band is currently active and releases through Wolfgang Records.

Magika is a Buenos Aires melodic heavy metal band that released two albums through their early years: "La Fuerza Que Nace" (2004), recorded at Black Magic Studios and featuring guest vocals from Adrián Barilari of Rata Blanca, and "Lejos de Dios" (2005), also recorded at Black Magic Studios. "La Fuerza Que Nace" was recognised as one of the five best albums of 2004 on Buenos Aires radio program Tiempos Violentos on FM Rock & Pop.

Magister is a melodic progressive metal band from São Paulo, Brazil, rooted in European heavy metal influences blended with early music elements and 1970s progressive rock. The band released their self-titled debut album in 2000 and a follow-up MCD, In the Kingdom of the Blind, in 2001, with a third album, The Art of Changes — originally recorded in 2002 at Creative Studios in São Paulo — eventually seeing official release in 2017. Their lineup has included André Evaristo on vocals and guitar alongside Fabio Gusmão on guitar, Robson Hammer on drums, and JC Alencar on bass and vocals.

Magna Corporea is an Argentine one-man atmospheric and raw black metal project that released its debut album "Bliss of Non-Temporal Condition" in January 2023 on Regimental Records, followed by "Dialect of the Unborn (Birth Wound and Xenoglossia)" in November 2023. The project is available on Bandcamp and has also been distributed physically through Sunshine Ward Recordings.

Magna Umbra was a symphonic metal band from Blumenau, Santa Catarina, Brazil, active from 2009 until disbanding in 2017. The band released the full-length album Someone at Your Door in 2015, a ten-track record showcasing their orchestral and melodic approach to heavy metal.

Magnalucius is one of Chile's longest-running power metal bands, formed in Concepción in 2000 and considered a pioneer of the genre in the country. They released their debut album The Quest... in 2002, opened for Stratovarius in Santiago in 2003, and remain active — most recently serving as the opening act for Sonata Arctica in Concepción in April 2025.

Magnolia's Devil is a stoner metal and rock band from Petrópolis, Rio de Janeiro, Brazil, formed in 2014. The band released the EP Dom Pedro on Trumpet in July 2014, a five-track record described as fuzzy, blues-based heavy rock drawing comparisons to a Sabbathian psychedelic sound.