Most Appearances (Performer)
| Name | Role(s) | # |
|---|---|---|
| 544. Madison Calley | Harp | 1 |
| 544. Madison Cunningham | Guitar, Vocals | 1 |
| 544. Madison McFerrin | Electronics, Vocals | 1 |
| 544. Madison Stewart | Electronics | 1 |
| 544. Madlib | Percussion | 1 |
| 544. Mads Bun | Banjo | 1 |
| 544. Maeve Gilchrist | Harp | 1 |
| 544. Mafer Bandola | Bandola Llanera, Vocals | 1 |
| 544. Magatte Sow | Percussion | 1 |
| 544. Maggie Heath | Vocals | 1 |
| 544. Maggie Rogers | Guitar, Vocals | 1 |
| 544. Maggy Simon | Violin | 1 |
| 544. Magos Herrera | Vocals | 1 |
| 544. Magos Herrera and Brooklyn Rider | Featured Artist | 1 |
| 544. Mahamadou "Mdou Moctar" Souleymane | Lead Guitar, Vocals | 1 |
| 544. Mahan Esfahani | Featured Artist | 1 |
| 544. Mahani Teave | Piano | 1 |
| 544. Mai Motobuchi | Viola | 1 |
| 544. Maison Guidry | Drums | 1 |
| 544. Makara Bianko | Drums, Vocals | 1 |
| 544. Making Movies | Featured Artist | 1 |
| 544. Mal Hauser | Background Vocals, Guitar | 1 |
| 544. Malachi | Vocals | 1 |
| 544. Malachi Milham | Bass | 1 |
| 544. Malawi Mouse Boys | Featured Artist | 1 |