Band list starting with M:

M.A.R.R.S. M.T. MC 900 Ft. Jesus with DJ Zero MC Eiht Mac Sample Maceo & the Macks Machines of Loving Grace Mad Cow Disease Madonna Main Source Mainesthai Malhavoc Man with No Name Man... or Astro-Man? Mandragora Manhole Vortex Manic Street Preachers Mantronix Manufactura Manufacture March On Mardi Gras Brass Band Marduk Marilyn Manson Mark Snow and P.M. Dawn Mark Stewart + Maffia Martyr Colony Maschinenzimmer 412 Masta Ace Incorporated Mastodon Meat Beat Manifesto Meat Shits Mega City 2 Mega City Four Megadeth Megaptera Melek-Tha Meng Syndicate Mentallo & The Fixer Messiah Method Man Meyers, Helmut Michael White Line Michael, George Micronaut Mikulic, Boris Millennium of the Phantom Vixens Mimetic Mimetic Mute Mindware Ming Star Ministry Misery Loves Co. Misteria Moev Mondo Generator Moodswings Morbid Savouring Morgenstern Morrissey Mortal Morthound Mortician Moskwa TV Mr Bungle Mudhoney Munch Murder Corporation Mushroomhead My Life with the Thrill Kill Kult Myer Mysterious Art