| 584. Madison Stewart | Electronics | 1 |
| 584. Madlib | Percussion | 1 |
| 584. Mads Bun | Banjo | 1 |
| 584. Maeve Gilchrist | Harp | 1 |
| 584. Mafer Bandola | Bandola Llanera, Vocals | 1 |
| 584. Magatte Sow | Percussion | 1 |
| 584. Maggie Heath | Vocals | 1 |
| 584. Maggie Rogers | Guitar, Vocals | 1 |
| 584. Maggy Simon | Violin | 1 |
| 584. Magos Herrera | Vocals | 1 |
| 584. Magos Herrera and Brooklyn Rider | Featured Artist | 1 |
| 584. Mahamadou "Mdou Moctar" Souleymane | Lead Guitar, Vocals | 1 |
| 584. Mahan Esfahani | Featured Artist | 1 |
| 584. Mahani Teave | Piano | 1 |
| 584. Mahindi Masai | Percussion | 1 |
| 584. Mai Motobuchi | Viola | 1 |
| 584. Maison Guidry | Drums | 1 |
| 584. Makara Bianko | Drums, Vocals | 1 |
| 584. Making Movies | Featured Artist | 1 |
| 584. Mal Hauser | Background Vocals, Guitar | 1 |
| 584. Malachi | Vocals | 1 |
| 584. Malachi Milham | Bass | 1 |
| 584. Malawi Mouse Boys | Featured Artist | 1 |
| 584. Malcolm Jamal Warner | Vocals | 1 |
| 584. Malcolm Parson | Cello | 1 |