| Morten Ramsbøl Group | 0 | 0 |
| Morten Riis | 0 | 0 |
| Morten Ryelund | 0 | 0 |
| Morten Schuldt‐Jensen | 10 | 0 |
| Morten Topp | 0 | 0 |
| Morten Zeuthen | 3 | 0 |
| Mortimer Nyx | 0 | 0 |
| Mortimer Wilson | 0 | 0 |
| Mortis | 0 | 0 |
| Morton Downey | 0 | 0 |
| Morton Estrin | 0 | 0 |
| Morton Feldman | 143 | 0 |
| Morton Gould | 33 | 0 |
| Morton Gould and His Orchestra | 4 | 0 |
| Morton Gould's Symphonic Band | 0 | 0 |
| Morton Stevens | 0 | 0 |
| Mortual | 0 | 0 |
| Mortualia | 0 | 0 |
| Morty Palitz & Orchestra | 0 | 0 |
| Morute | 0 | 0 |
| Moscow Capella | 0 | 0 |
| Moscow Chamber Theatre | 2 | 0 |
| Moscow Choral Academy | 0 | 0 |
| Moscow Classical Ensemble | 0 | 0 |
| Moscow Concertino | 0 | 0 |
| Moscow Conservatory Chamber Orchestra | 0 | 0 |
| Moscow Conservatory Opera Soloists | 0 | 0 |
| Moscow Conservatory Symphony Orchestra | 0 | 0 |
| Moscow Conservatory Trio | 0 | 0 |
| Moscow Forum Theatre Orchestra | 1 | 0 |
| Moscow Men's Choir “Kastalsky” | 0 | 0 |
| Moscow Radio Chorus | 1 | 0 |
| Moscow Soloist Ensemble | 0 | 0 |
| Moscow Soloists | 11 | 0 |
| Moscow State Philharmonic Chorus | 0 | 0 |
| Moscow String Quartet | 0 | 0 |
| Moscow String Quartet | 3 | 0 |
| Moscow Symphony Chorus | 0 | 0 |
| Moscow Symphony Orchestra | 5 | 0 |
| Moscow Trio | 7 | 0 |
| Moscow Young Russia State Symphony Orchestra | 0 | 0 |
| Moselle | 0 | 0 |
| Moses | 0 | 0 |
| Moses Boyd | 0 | 0 |
| Moses Hogan | 0 | 0 |
| Moses Hogan Chorale | 0 | 0 |
| Moses Hogan’s New Orleans Gospel Choir | 0 | 0 |
| Moshe Atzmon | 9 | 0 |
| Moshe Hammer | 0 | 0 |
| Moshe Katz | 0 | 0 |
| Moshe Nussbaum | 0 | 0 |
| Moshiri Kikaku | 0 | 0 |
| Moslem Rahal | 0 | 0 |
| Mosonyi Mihály | 3 | 0 |
| Moss | 0 | 0 |
| Moss Helm | 0 | 0 |
| Moss of Aura | 9 | 0 |
| Mossbeard | 0 | 0 |
| Most Dope | 0 | 0 |
| Mostafa Fattahi | 0 | 0 |
| Mostly Mesh | 0 | 0 |
| Mostly Mozart Orchestra | 2 | 0 |
| Motet Choir | 0 | 0 |
| Motet Choir of Geneva | 1 | 0 |
| Motettenchor Stuttgart | 0 | 0 |
| Mother Augusta | 0 | 0 |
| Mother Gong | 0 | 0 |
| Mother of Millions | 0 | 0 |
| Mother’s Cake | 0 | 0 |
| Motifv | 0 | 0 |
| Motion Kapture | 0 | 0 |
| Motion Man | 0 | 0 |
| Motion Trio | 0 | 0 |
| Motormouth Recordz | 0 | 0 |
| Mouche-Miel | 0 | 0 |
| Moulay "Ali" Hafid | 1 | 0 |
| Mounika. | 0 | 0 |
| Mount Sims | 7 | 0 |
| Mountain of Misery | 0 | 0 |
| Mountains for Clouds | 0 | 0 |
| Mourning Wood | 0 | 0 |
| Mouse Powell | 0 | 0 |
| Mousey Alexander | 0 | 0 |
| Moustache Dragon | 0 | 0 |
| Mouth of the Jordan | 0 | 0 |
| Mouvement | 0 | 0 |
| Movin' On | 0 | 0 |
| Moving Targets | 9 | 0 |
| Movin’ Wes | 0 | 0 |
| Movses Oganesian | 0 | 0 |
| Movses Pogossian | 0 | 0 |
| Moxie Raia | 0 | 0 |
| Moya Brennan | 0 | 0 |
| Moyka | 0 | 0 |
| Moyzesovo kvarteto | 7 | 0 |
| Moz | 0 | 0 |
| Mozart Anniversary Orchestra | 0 | 0 |
| Mozart Festival Orchestra | 0 | 0 |
| Mozart Orchestra and Choir of the Zürich Opera | 0 | 0 |
| Mozart Piano Quartet | 0 | 0 |