M83 (France; Dream Pop)
Macbeth (Italy; Gothic)
Maccabees (UK; Indie)
Machiavel (Belgium; Progressive)
Machinae Supremacy (Sweden; Power/Alt Metal)
Machine Head (USA; Groove Metal)
Machine Men (Finland; Heavy Metal)
Madball (USA; Hardcore)
Mad Margritt (USA; Hard Rock)
Mad Max (Germany; Hard'N'Heavy)
Madness (UK; Ska/Pop Rock)
Madrugada (Norway; Indie)
Mad Season (USA; Grunge/Arena Rock/Stoner)
Mad Sin (Germany; Psychobilly)
Magazine (UK; Post Punk/New Wave)
Magellan (USA; Progressive)
Maggie Bell (UK; Blues Rock/Pop Rock)
Maggie's Madness (Germany; Hard'N'Heavy)
Magic Kingdom (Belgium; Power)
Magic Mixture (UK; Psychedelic)
Magic Pie (Norway; Prog Rock)
Magma (France; Progressive/Zeuhl/Jazz Rock/Avant-Garde)
Magna Carta (UK; Prog Folk)
Magne Furuholmen (Norway; Indie/Electronics)
Magnitude 9 (USA; Prog Metal)
Magnum (UK; Hard Rock/AOR)
Mago De Oz (Spain; Folk Metal)
Mahavishnu Orchestra (USA; Fusion)
Mahogany Frog (Canada; Progressive)
Mahogany Rush (Canada; Psychedelic Hard Rock)
Majestic (Sweden; Heavy Metal)
Majesty (Germany; Heavy Metal)
Malevolent Creation (USA; Death)
Malice (USA; Heavy Metal)
Malice Mizer (Japan; Gothic)
Mallet (Germany; Hard Rock)
Mama Lion (USA; Blues Rock)
Mamas And The Papas (USA; Folk Rock/Sunshine Pop)
Mama's Boys (Northern Ireland; Hard Rock)
Mammoth (UK; Melodic Rock)
Man (UK; Psychedelic/Prog Rock/Pub Rock)
Manal (Argentina; Blues Rock)
Mandalaband (UK; Progressive)
Mandator (Netherlands; Thrash)
Mando Diao (Sweden; Indie/Garage)
Mandragora Scream (Italy; Gothic)
Manegarm (Sweden; Viking Metal)
Manes (Norway; Black/Avant-Garde/Post Metal)
Maneskin (Italy; Glam Punk/Dance Rock)
Manfred Mann (UK; Rhythm-and-Blues/Pop Rock)
Manfred Mann's Earth Band (UK; Hard Rock/Art Rock/New Wave/Pop Rock)
Manga (Turkey; Alternative/Anatolian Rock)
Manic Street Preachers (UK; Glam Punk/Brit Pop)
Manilla Road (USA; Heavy Metal)
Manny Charlton (Spain; Hard Rock/Blues Rock/Americana)
Manowar (USA; Heavy Metal)
Mansun (UK; Brit Pop)
Manticora (Denmark; Power)
Mantus (Germany; Gothic Rock/Gothic Metal)
Marauder (Greece; Heavy Metal)
Marco Ragni (Italy; Psychedelic)
Marcy Playground (USA; Alternative)
Marduk (Sweden; Black)
Marianas Rest (Finland; Melodic Doom/Death)
Marianne Faithfull (UK; Folk/New Wave/Pop Rock/Alternative)
Mari Hamada (Japan; Hard Rock/Pop Rock)
Marillion (UK; Progressive)
Marilyn Manson (USA; Alt Metal/Industrial Metal/Shock Rock)
Mark Boals (USA; Heavy Metal)
Mark Farner (USA; Pop Rock)
Mark Knopfler (UK; Soft Rock)
Mark Lanegan (USA; Folk Rock/Blues Rock/Alternative)
Mark Spiro (USA; AOR)
Marmalade (UK; Pop Rock)
Maroon 5 (USA; Pop Rock)
Marshall Law (UK; Heavy Metal)
Marshall Tucker Band (USA; Southern Rock)
Mars Volta (USA; Progressive)
Martin Barre (UK; Hard Rock/Fusion/Instrumental Rock)
Martiria (Italy; Heavy Metal)
Marty Friedman (USA; Prog Metal/New Age/Shred)
Marvin Gaye (USA; Soul)
Mashmakhan (Canada; Psych Folk)
Mass (Germany; Hard Rock/Heavy Metal)
Mass (USA; Heavy Metal)
Massacra (France; Thrash)
Massacre (USA; Death)
Massive Attack (UK; Trip Hop)
Mastedon (USA; Christian Rock/Melodic Rock)
Master (USA; Death/Thrash)
Masterplan (Germany; Heavy Metal)
Masters Apprentices (Australia; Classic Rock)
Master's Hammer (Czechoslovakia; Prog Black)
Masters Of Reality (USA; Stoner)
Mastodon (USA; Prog Metal)
Matchbox Twenty (USA; Alternative)
Matching Mole (UK; Jazz Rock)
Matia Bazar (Italy; Pop Rock/New Wave)
Matthew Good (Canada; Alternative)
Maximum The Hormone (Japan; Punk Metal)
Max Webster (Canada; Prog Rock/Hard Rock/Pop Rock)
Mayan (Netherlands; Sympho Death)
May Blitz (UK; Heavy Prog/Hard Rock)
Mayhem (Norway; Black)
Maylene And The Sons Of Disaster (USA; Southern Metal)
Mazzy Star (USA; Dream Pop)
MC5 (USA; Garage/Proto Punk/Hard Rock)
McGuinness Flint (UK; Folk Rock/Country Rock)
McQueen Street (USA; Hard Rock)
MDC (USA; Hardcore)
Mean Streak (Sweden; Heavy Metal)
Meat Loaf (USA; Operatic Rock/Hard Rock)
Meatmen (USA; Punk Metal)
Medicine Head (UK; Blues Rock)
Megadeth (USA; Thrash)
Megaherz (Germany; Neue Deutsche Harte)
Mekong Delta (Germany; Prog Thrash)
Melanie (USA; Folk Rock)
Melechesh (Israel; Oriental Black)
Meliah Rage (USA; Heavy Metal)
Melt Banana (Japan; Noisecore)
Melvins (USA; Sludge/Experimental Rock)
Memory Garden (Sweden; Doom)
Men At Work (Australia; New Wave)
Men They Couldn't Hang (UK; Folk Punk)
Mercenary (Denmark; Melodic Death)
Merciless (Sweden; Death/Thrash)
Mercury Tree (USA; Heavy Prog/Math Rock)
Mercyful Fate (Denmark; Heavy Metal)
Merseybeats (UK; Beat)
Mesh (UK; Synth Pop/EBM)
Meshuggah (Sweden; Avant-Garde Metal)
Messenger (Germany; Heavy Metal)
Messiah (Switzerland; Thrash/Death)
Metal Church (USA; Heavy Metal/Thrash)
Metal Inquisitor (Germany; Heavy Metal)
Metalium (Germany; Power)
Metallica (USA; Thrash)
Meteors (UK; Psychobilly)
Methedras (Italy; Thrash)
Methods Of Mayhem (USA; Rap Metal)
Metsatoll (Estonia; Folk Metal)
Mew (Denmark; Indie/Dream Pop)
Michael Angelo Batio (USA; Shred)
Michael Bormann (Germany; Melodic Rock)
Michael Chapman (UK; Folk Rock/Jazz Rock/New Age)
Michael Kiske (Germany; Melodic Rock)
Michael Learns To Rock (Denmark; Pop Rock)
Michael Monroe (Finland; Glam Punk/Hard Rock)
Michael Nesmith (USA; Country Rock)
Michael Pinnella (USA; Prog Rock)
Michael Romeo (USA; Prog Metal)
Michael Rother (Germany; Kraut/Electronic/New Age)
Michael Schenker Group (UK; Hard Rock)
Michael Thomson Band (USA; Melodic Rock)
Mick Abrahams (UK; Blues Rock)
Mick Fleetwood (UK; Soft Rock/Blues Rock)
Mick Jagger (UK; Pop Rock)
Mick Ronson (UK; Glam Rock)
Mick Taylor (UK; Blues Rock)
Middle Of The Road (UK; Bubblegum/Pop Rock)
Midge Ure (UK; New Wave)
Midnattsol (Germany; Folk Metal)
Midnight Oil (Australia; Indie)
Midnight Sun (Denmark; Jazz Rock)
Midnight Sun (Sweden; Heavy Metal)
Mika (Lebanon; Pop Rock/Glam Rock)
Mikael Erlandsson (Sweden; AOR)
Mike Bloomfield (USA; Blues Rock)
Mike Harrison (UK; Pop Rock)
Mike Keneally (USA; Avant Prog)
Mike Oldfield (UK; Art Rock/Pop Rock/New Age)
Mike + The Mechanics (UK; Art Rock)
Mike Tramp (Denamrk; Melodic Rock)
Miles Davis (USA; Jazz Fusion)
Millencolin (Sweden; Punk)
Millenium (Poland; Progressive)
Millenium (USA; Melodic Rock/Heavy Metal)
M.ill.ion (Sweden; Hard Rock)
Minas Tirith (Norway; Avant-Garde Metal)
MindFunk (USA; Funk Metal/Alt Metal/Stoner)
Mind Key (Italy; Prog Metal)
Mind Odyssey (Germany; Prog Metal)
Mind's Eye (Sweden; Prog Metal)
Mindstorm (Canada; Hard Rock)
Minimal Compact (Israel; Post Punk/New Wave)
Ministry (USA; Industrial)
Minor Threat (USA; Hardcore)
Minotaur (Germany; Thrash)
Misanthrope (France; Sympho Metal)
Miseration (Sweden; Death)
Misery Index (USA; Deathgrind)
Misery Loves Co (Sweden; Industrial Metal)
Misfits (USA; Punk)
Miss Crazy (USA; Hard Rock/Glam Metal)
Mission (UK; Gothic)
Moahni Moahna (Sweden; Hard Rock/Prog Power)
Mob Rules (Germany; Power)
Moby (USA; Electronics)
Moby Grape (USA; Psychedelic/Country Rock)
M.O.D. (USA; Crossover)
Modern English (UK; Post Punk/New Wave)
Mogwai (UK; Post Rock)
Moist (Canada; Alternative)
Mojo Nixon (USA; Rockabilly)
Mokoma (Finland; Thrash)
Molly Hatchet (USA; Southern Rock)
Molotov (Mexico; Rap Metal)
Monkees (USA; Pop Rock)
Monks (Germany; Garage)
Mono Inc. (Germany; Gothic Industrial)
Monolith Deathcult (Netherlands; Death/Industrial Death)
Monster Magnet (USA; Stoner)
Monstrosity (USA; Death)
Montrose (USA; Hard Rock)
Moody Blues (UK; Art Rock/Pop Rock)
Moonlight (Poland; Gothic Art Rock)
Moonsorrow (Finland; Viking Metal)
Moonspell (Portugal; Gothic Metal)
Morbid Angel (USA; Death)
Mordred (USA; Funk Thrash)
Morgana Lefay (Sweden; Power/Thrash)
Morgoth (Germany; Death)
Moritz (UK; AOR)
Morphine (USA; Indie)
Morrissey (UK; Indie/Jangle Pop/College Rock)
Morse Code (Canada; Progressive)
Mors Principium Est (Finland; Melodic Death)
Mortal Sin (Australia; Thrash)
Mortem (Peru; Death)
Mortician (USA; Deathgrind)
Mortification (Australia; Christian Thrash)
Mortiis (Norway; Dark Ambient/Industrial)
Mos Generator (USA; Stoner)
Moss (UK; Doom)
Mostly Autumn (UK; Prog Folk)
Mother Love Bone (USA; Hard Rock)
Mother's Army (USA; Hard Rock)
Mother's Finest (USA; Funk Rock)
Mothership (USA; Stoner)
Motley Crue (USA; Glam Metal)
Motorhead (UK; Hard Rock/Punk Metal/Speed Metal)
Motorjesus (Germany; Stoner)
Mott The Hoople (UK; Glam Rock/Hard Rock)
Mountain (USA; Blues Rock)
Mountain Goats (USA; Indie Folk)
Mournful Congregation (Australia; Funeral Doom)
Mourning Beloveth (Ireland; Doom Death)
Move (UK; Art Rock)/Pop Rock
Moving Gelatine Plates (France; Jazz Rock/Canterbury)
Moxy (Canada; Hard Rock)
MP (Germany; Heavy Metal)
Mr. Big (UK; Melodic Rock)
Mr. Big (USA; Hard Rock)
Mr. Bungle (USA; Avant Metal)
Mr. Mister (USA; AOR)
Mucky Pup (USA; Hardcore)
Mud (UK; Glam Rock)
Muddy Waters (USA; Blues)
Mudhoney (USA; Grunge)
Mudvayne (USA; Nu Metal)
Muggs (USA; Blues Rock)
Mungo Jerry (UK; Skiffle/Rock'N'Roll/Blues Rock)
Murderdolls (USA; Horror Punk/Glam Metal)
Murphy Blend (Germany; Heavy Prog)
Murphy's Law (USA; Hardcore)
Muse (UK; Indie/Neo-Prog/Art Rock)
Mushroom (Ireland; Prog Folk/Celtic Rock)
Mushroomhead (USA; Nu Metal)
Music Machine (USA; Garage Rock)
Mustasch (Sweden; Stoner)
MxPx (USA; Pop Punk)
My Bloody Valentine (Ireland; Shoegaze/Noise Pop)
My Chemical Romance (USA; Alternative Pop Punk)
My Darkest Hate (Germany; Death)
My Dying Bride (UK; Doom/Death/Gothic Metal/Doom)
Mylon LeFevre (USA; Gospel/Southern Rock/AOR/Soft Rock/Pop Rock/Christian Rock)
My Morning Jacket (USA; Alt Country/Indie)
Myrath (Tunisia; Oriental Metal)
My Silent Wake (UK; Gothic Metal/Death/Doom)
My Sister's Machine (USA; Grunge)
Myslovitz (Poland; Brit Pop)
Mystery (Canada; Art Rock)
Mystic Circle (Germany; Black)
Mystic Prophecy (Germany; Speed Metal)
Mythological Cold Towers (Brazil; Doom/Death)
Mythos (Germany; Kraut/Electronics/New Age)