| 554. Madeline Edwards | Vocals | 1 |
| 554. Madicin | Background Vocals | 1 |
| 554. Madisen Ward And The Mama Bear | Featured Artist | 1 |
| 554. Madison Calley | Harp | 1 |
| 554. Madison Cunningham | Guitar, Vocals | 1 |
| 554. Madison McFerrin | Electronics, Vocals | 1 |
| 554. Madison Stewart | Electronics | 1 |
| 554. Madlib | Percussion | 1 |
| 554. Mads Bun | Banjo | 1 |
| 554. Maeve Gilchrist | Harp | 1 |
| 554. Mafer Bandola | Bandola Llanera, Vocals | 1 |
| 554. Magatte Sow | Percussion | 1 |
| 554. Maggie Heath | Vocals | 1 |
| 554. Maggie Rogers | Guitar, Vocals | 1 |
| 554. Maggy Simon | Violin | 1 |
| 554. Magos Herrera | Vocals | 1 |
| 554. Magos Herrera and Brooklyn Rider | Featured Artist | 1 |
| 554. Mahamadou "Mdou Moctar" Souleymane | Lead Guitar, Vocals | 1 |
| 554. Mahan Esfahani | Featured Artist | 1 |
| 554. Mahani Teave | Piano | 1 |
| 554. Mai Motobuchi | Viola | 1 |
| 554. Maison Guidry | Drums | 1 |
| 554. Makara Bianko | Drums, Vocals | 1 |
| 554. Making Movies | Featured Artist | 1 |
| 554. Mal Hauser | Background Vocals, Guitar | 1 |