MarysCreek is a heavy metal act from Linköping, active since 2013. The band delivers melodic, accessible heavy metal from the southeastern Swedish city.

Marz is a NWOBHM-inspired heavy metal act from the Lincolnshire town of Grantham, active since 2018. The band channels the spirit of the original New Wave of British Heavy Metal into modern compositions.

Masadâ is a heavy metal act from Badajoz in Extremadura, forging classic riffs and anthemic hooks in the tradition of Spanish heavy metal. Active since 2014, the band takes its name from the ancient fortress, matching historical grandeur with muscular metal.

A heavy metal and hard rock act from the western Hungarian border city of Sopron, Masina has been delivering riff-driven music since 2020. The band brings classic metal energy to the gateway between Hungary and Austria.

Masque is a heavy metal band from Leicester, England, active since 1992. With over three decades of activity, they remain a veteran presence in the British heavy metal scene.

Masquera di Ferro is a melodic heavy metal band from Patras, Greece, formed in 2014. Their Italian name meaning "iron mask" captures their dramatic approach to melodic heavy metal.

Masquerader is a heavy/power metal band from Münster, Germany, formed in 2019. Their sound combines the anthemic power of classic heavy metal with the soaring intensity of power metal, emerging from Westphalia's thriving metal scene.

Masroc is a one-man heavy/thrash metal project from Korbach, Germany, where the sole member writes, performs, records, and produces everything at their own studio. The 2017 album "Abysms Of Mankind" showcases ten tracks of self-produced heavy metal with thrash influences and dark, introspective themes.

Mass Insanity is a melodic heavy metal band from Bremen, Germany, active since 2011. Their sound delivers the classic melodic heavy metal formula with an emphasis on strong hooks and powerful arrangements from northern Germany's thriving metal community.