MainPain is a heavy metal band from Novara, Italy, established in autumn 1996. Their discography includes 'Food For Thoughts' (2006) and 'The Empirical Shape of Pain' (2012), and they have opened for Blaze Bayley across European venues while sharing stages with Strana Officina and Domine.

Majak is a Neumünster, Germany-based band whose self-described "Occult Heavy Magick" has evolved from black/thrash metal roots into a psychedelic-tinged blackened heavy metal hybrid. Their 2024 album "Restless Wicked" earned acclaim as one of the year's best debuts, and they are booked for Rock Hard Festival 2026.

Majestic Mass is a metal band from Copenhagen, Denmark, whose aggressive catalog includes 'Savage Empire of Death,' 'Destroys Minds & Rapes Souls,' and 'Onwards.' The band channels extreme intensity through their provocatively titled releases.

Majesty were a melodic heavy metal band from Vienna, Austria, active in the domestic metal scene before eventually disbanding. The band played within the European heavy metal tradition and were catalogued in the Encyclopaedia Metallum as a Vienna-based outfit distinct from the German Majesty (later Metalforce). They represented the city's underground heavy metal contingent during their active years.

Makar Čudra is a heavy metal and hard rock act from Bratislava, named after the Gorky short story, active since 2020. The band channels literary Russian romanticism into classic-style metal.

Mala Fortuna is a heavy metal and hard rock band from Ciudad Real, Spain, active since 2008. They channel the spirit of classic heavy metal and hard rock through powerful riffs and energetic performances.

Malamorte is a band from Rome, Italy, formed in 2019, having evolved from black metal into heavy metal. Their Italian name meaning "bad death" accompanies their creative shift from extreme to classic metal.

A heavy metal and hard rock act from Mahón on the island of Menorca, Malas Artes has been delivering classic-style metal since 2011. The band brings traditional metal to the Balearic Islands from their Mediterranean island setting.

Maldia is a heavy metal band from Lugo, Spain, formed in 2006. Their 2012 demo, recorded at UltraSoundStudios in Braga, Portugal, features seven tracks with lyrics in both Spanish and English, mixed and mastered by Daniel Cardoso.