Marasmo is a stoner and doom metal band from the Community of Madrid, Spain, formed in 2011. They channel heavy, crushing doom through a stoner metal lens of distorted riffs and sluggish grooves.

Maraton is a Hungarian heavy metal act formed in 2019, delivering endurance-tested classic metal. The band's name reflects their commitment to the long-distance pursuit of traditional heavy metal.

Marauder is a heavy/thrash metal band from the Greven/Emsdetten area of Germany, active since 2005. Their two decades of output mark them as seasoned veterans of the Münsterland metal underground, delivering a potent blend of classic heavy metal power and thrash metal velocity.

A thrash and power metal project from Sarajevo founded in 2009 by Senad Marava, the drummer of Bosnian speed/thrash cult act Bombarder, Marawa debuted with the album Gate to the Next World and later expanded into a proper band after vocalist Andrej Merkadić joined in 2011. The project bridges old-school Bosnian thrash roots with more melodic power metal structures.

Marax is a black metal act from the Transylvanian city of Brașov, active since 1999. One of Romania's veteran black metal projects, the band channels the Gothic atmosphere of their Carpathian mountain setting into dark, atmospheric compositions.

Marazm is a sludge/groove metal act from Olsztyn in Warmia-Masuria, active since 2019. The band channels the stagnation suggested by their name into crushing, slow-moving heaviness.

A black metal project from Padua, Marbas has been crafting dark compositions named after the Goetic demon since 2021. The project channels demonological themes into atmospheric black metal from the Veneto.

Marble Carrion is a death metal band from the Novosibirsk area of Russia, active since at least 2009. Their 2022 album 'ULTRARMERCY' is described as 'a dystopia based on reality,' exploring war, dictatorship, and political manipulation through brutal death metal with thrash and black metal elements across five releases spanning over a decade.

Marc Hudson is a power metal artist from Oxford, England, active since 2023. He delivers soaring power metal driven by melodic hooks and anthemic performances.