Mustasch
hard rock, rock, stoner rock
Mute
melodic hardcore, punk rock, skate punk
Muzak
post-punk, post-rock, rock
MxPx
pop punk, punk rock, rock
My Bloody Valentine
dream pop, indie rock, shoegaze
My Darkest Days
alternative rock, modern rock, post-grunge, rock
My Mine
disco, electronic, italo disco
My Ticket Home
metalcore, nu metal, post-hardcore, screamo
My Vitriol
alternative rock, indie rock, rock, shoegaze
MyGrain
death metal, melodic death metal, metal
Mylon LeFevre & Broken Heart
christian rock, contemporary christian