| The Malinks (1) | The Mall (1) | The Malle Babbe Choir (1) |
| The Malletheads (1) | The Mallrats (1) | The Malmö Fire Brigade Band (1) |
| The Maloney Crew (1) | The Maltese Falcon (Disc 2 of 6) (1) | The Malvinas (1) |
| The Mama's & The Papa's (1) | The Mama's & the Papa's (2) | The Mama's And The Papa's (4) |
| The Mama's Boys (1) | The Mamas & Papas (7) | The Mamas & The Papa (1) |
| The Mamas & The Papas (71) | The Mamas & The Papas (& friends...) (1) | The Mamas & The Papas - Dream A Little Dream Of Me (1) |
| The Mamas & the Papas (9) | The Mamas And The Papas (23) | The Mamas and The Papas (10) |
| The Mamas and the Papas (15) | The Mamas and the Papas & Gloria Gaynor (1) | The Mamas and the Papas CD1 (1) |
| The Mamasitas (1) | The Mambo Brothers (1) | The Mambo Express (4) |
| The Mambo Kings (1) | The Mammals (5) | The Mammas & The Papas (1) |
| The Mammas & the Papas (1) | The Mamou Cajun Band (feat. Cyp & Adam Landreau) (1) | The Mamou Prarie Band (1) |
| The Man (4) | The Man & The Legend (1) | The Man And His Music (Disc 1) (1) |
| The Man And His Music (Disc 2) (1) | The Man Called Lachi (1) | The Man I Love (1) |
| The Man Made Brain (1) | The Man O'Malleys (1) | The Man Without A Past - O.S.T. (1) |
| The Man from Delmonte (1) | The Man of La Mancha (1) | The Mana'O Company (1) |
| The Mana'o Company (1) | The Mana`o Company (2) | The Management (5) |
| The Managers (1) | The Manalishis (1) | The Manatees (2) |
| The Manchester Orchestra (1) | The Manchester United 1995 Football Squad featuring Stryker (1) | The Manchester United Football Squad (1) |
| The Mandala Octet (2) | The Mandarins (1) | The Mandate (1) |
| The Mandelbrot Set (1) | The Mando Boys (1) | The Mandrake (1) |
| The Mandrake Memorial (1) | The Manfreds (4) | The Manges (1) |
| The Mangeshkars (1) | The Mango Men (1) | The Mango Room (1) |
| The Mango Sampler (1) | The Mangomen (1) | The Manhatans (1) |
| The Manhattan (1) | The Manhattan Chamber Orchestra (1) | The Manhattan Project (2) |
| The Manhattan Rhythm Kings (1) | The Manhattan Saxophone Ensemble (1) | The Manhattan String Quartet (6) |
| The Manhattan Strings (1) | The Manhattan Strings Orchestra (1) | The Manhattan Transfer (49) |
| The Manhattan Transfer - (1) | The Manhattan Transfer and Gene Pistilli (1) | The Manhattans (19) |
| The Manhatten Singers (1) | The Manhattens (1) | The Maniacs (1) |
| The Manic S.O.X. (1) | The Manic Sox (1) | The Manic Thematic Trio (1) |
| The Manikin (1) | The Manikins (2) | The Mankillers (2) |
| The Mannheim Quartet (1) | The Mannheim Uroband (6) | The Mannish Boys (2) |
| The Mansfields (2) | The Mant (1) | The Mantis Chapter (1) |
| The Mantovani (2) | The Mantovani Collection (1) | The Mantovani Orchestra (67) |
| The Mantovani Orquestra (1) | The Mantovani orchestra (2) | The Mantovania Orchestra (1) |
| The Many (1) | The Many Moods Of Romance (3) | The Many Moods of The Mantovani Orchestra (1) |
| The Many Shades of Casual (1) | The Manzanera Archives (1) | The Mao Tse Tung Experience (1) |
| The Map Marimba Band (1) | The Maphones (1) | The Maple State (1) |
| The Maps (1) | The Mar-Keys (1) | The Mar-Keys & Booker T. And The MG's (1) |
| The Mar-keys (1) | The Maranatha Singers (4) | The Maranatha Singers & Friends (1) |
| The Maranatha! Music Project (1) | The Maranatha! Singers (4) | The Maras Sisters & Jacob (1) |
| The Marauders (1) | The Marble Index (1) | The Marble Tea (1) |
| The Marble Tones (1) | The Marbles (2) | The Marc Atkinson Trio (3) |
| The Marc Toussaint Combo (1) | The Marcels (3) | The March (1) |
| The March Hare (1) | The March Violets (3) | The Marching Hundred (1) |
| The Marching Illini (1) | The Marching Virginians (2) | The Marco Phillip Orchestra (2) |
| The Marcus Johnson Project (1) | The Marcy Brothers (1) | The Marder (1) |
| The Mardi Gras Brass Band (1) | The Mare Wakefield Band (1) | The Mareo Philippe Orchestra (2) |
| The Margarets (3) | The Margarines (2) | The Marginal Prophets (2) |
| The Mariachis (1) | The Marijuana - Logues (1) | The Marijuana Logues (1) |
| The Marinernine (1) | The Marion Brown Quartet (1) | The Marionettes (3) |
| The Marionetz (1) | The Maritime Crew (1) | The Maritime Jazz Orchestra (1) |
| The Mark !V (1) | The Mark & Clark Band (2) | The Mark - Book 6 (1) |
| The Mark - Book 8 (2) | The Mark Almond Band (2) | The Mark Band (1) |
| The Mark Bennett Band (1) | The Mark Cook Project (1) | The Mark Curry Tenpin Trio (1) |
| The Mark Dini Group (1) | The Mark Inside (2) | The Mark Kleinhaut Trio (1) |
| The Mark Kramer Trio (2) | The Mark Marshall Band (1) | The Mark Maxwell Quintet (1) |
| The Mark Of Cain (8) | The Mark Stone Band (1) | The Mark Trammell Trio (1) |
| The Mark Turner - Jeff Ballard - Larry Grenadier Project (1) | The Mark Varney Project (1) | The Mark Varney Project Featuring Frank Gambale/Allan Holdsworth (1) |
| The Mark Wirtz Orchestra And Chorus (1) | The Mark Wood Project (1) | The Mark of Cain (7) |
| The Mark/Almond Band (1) | The Marked Men (2) | The Markets (1) |
| The Marketts (3) | The Marks of Our Time (1) | The Marla Singer Affair (1) |
| The Marlets (1) | The Marmadukes (1) | The Marmalade (6) |
| The Marmelade (2) | The Maroons (2) | The Marples (1) |
| The Marques Brothers (1) | The Marquis Ensemble (1) | The Marquis de Tren and Bonny Billy (1) |
| The Marratimes (2) | The Married Monk (2) | The Marrowbones (1) |
| The Mars Patrol (1) | The Mars Volta (38) | The Marsadees (1) |
| The Marshal Tucker Band/The Allman Brothers Band (1) | The Marshall Plan Kids (1) | The Marshall Tucker Band (34) |
| The Marshes (5) | The Martenitsa Choir (1) | The Martian (1) |
| The Martians (2) | The Martin Best Consort (2) | The Martin Best Ensemble (2) |
| The Martin Family (4) | The Martin Fitzgerald Files (1) | The Martin Hall Document (1) |
| The Martin Harley Band (1) | The Martini Bros. (1) | The Martini Brothers (1) |
| The Martini Henry Rifles (2) | The Martini Kings (1) | The Martini Orchestra (1) |
| The Martinis (3) | The Martins (9) | The Marty Krystall Spatial Quatet (1) |
| The Marty Nau Group (featuring Vince Lardear and Phil Woods) (1) | The Marty Warburton Band (1) | The Martyrium (1) |
| The Martzs (1) | The Marvelettes (12) | The Marvelletes (1) |
| The Marvelous 3 (2) | The Marvelous Midos Machine (3) | The Marvels (1) |
| The Marvin Effect (1) | The Marvin Stamm Quartet (2) | The Marvins (1) |
| The Marwicks (1) | The Marwood Ensemble - The Haffner Wind Ensemble (1) | The Marx Brothers (6) |
| The Marx Brothers (with J.Benny, B.Crosby, G.Cooper & Martha Graham) (1) | The Marxmen (2) | The Mary Jane Girls (1) |
| The Mary Janes (2) | The Mary Vacca Band (1) | The Maryland Cookies (1) |
| The Maryland State Boychoir (1) | The Maryland cookies (1) | The Marys (1) |
| The Marzies (1) | The Marzipan Man (1) | The Masat Family (1) |
| The Maschine Made Flesh (1) | The Mashed Potatoes (2) | The Mashers (1) |
| The Masked Animals (2) | The Masked Band (1) | The Masked Marauders (1) |
| The Maskit Chamber (2) | The Masmanians (1) | The Mason Rack Band (1) |
| The Masonics (2) | The Masons (2) | The Masquerade Sessions (1) |
| The Mass (7) | The Massacoustics (3) | The Massed Bands Of The RAF (1) |
| The Massed Bands Of The Royal Air Force (1) | The Massed Bands of HM Royal Marines (1) | The Massed Bands of The Royal Air Force (2) |
| The Massed Bands of the British Army (1) | The Massed Bands of the Guards & Household Divisions (1) | The Massed Bands of the Royal Air Force (1) |
| The Massed Male Choirs of Treorchy and Morrison Orpheus with the Band of the Welsh Guards (1) | The Masserd Bands and Bugles of the Light Division (1) | The Master Chorale (1) |
| The Master Chorale of Tampa Bay (1) | The Master Drum & Bass Selection (3) | The Master Faders (1) |
| The Master Musicians Of Jajouka (1) | The Master Musicians of Joujouka (1) | The Master Of House (1) |
| The Master Plan (1) | The Master musicians of Jajouka featuring Bachir Attar (1) | The Master's Apprentic (1) |
| The Master's Apprentices (3) | The Master's Chorale (1) | The Master's College (1) |
| The Master's College Chorale (1) | The Master's Four (3) | The Master's Men (2) |
| The Master's Voice (3) | The Masterless Men (2) | The Masterminds (1) |
| The Masterpiece (1) | The Masters (3) | The Masters (Eddie Adcock, Kenny Baker, Josh Graves and Jesse McReynolds (1) |
| The Masters - Adcock, Baker, Graves, McReynolds (1) | The Masters Apprentices (4) | The Masters Chorale (4) |
| The Masters Of Calm (1) | The Masters of Guimbri (2) | The Masters's Voice (1) |
| The Masters, Adcock, Baker, Graves, McReynolds (1) | The Mastersingers (1) | The Masticators (1) |