Mr. Bungle
Me, Mom & Morgantaller
Metallica
MOD
MBC
MSI
MDC
Morcheeba
My Bloody Valentine
Madonna
Miles Davis (or should that be filed under "D"?)…if so, then
Charles Mingus
Minor Threat
Morgoth
Mozart
Melvins
Meat Puppets
MerrillLynchMob
Modey Lemon