Mustang
electronic, hardcore punk, rock
Mustasch
hard rock, rock, stoner rock
Mutabaruka
dub, reggae, roots reggae
Mute
melodic hardcore, punk rock, skate punk
Mutilator
death metal, thrash metal
Mutiny Within
melodic death metal, metal, metalcore, power metal, progressive metal
Muzak
post-punk, post-rock, rock
Muzzy
drum and bass, dubstep, electronic
MVP
heavy metal, jazz, jazz fusion, power metal
MXD
electronic, industrial metal, industrial 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 Dear Addiction
alternative metal, melodic death metal, melodic metalcore, metalcore
My Diet Pill
alternative rock, indie rock, rock
My Disco
math rock, post-hardcore, post-punk
My Dreams
metalcore, pop, post-rock, screamo