| 541. Matthew Dean Marsh | Piano, Vocals | 1 |
| 541. Matthew Hagerman | Viola | 1 |
| 541. Matthew Horton | Guitar | 1 |
| 541. Matthew Ramsey | Bass | 1 |
| 541. Matthew Rippetoe | Sax, Trumpet | 1 |
| 541. Matthew Romy | Keys | 1 |
| 541. Matthew Simms | Guitar | 1 |
| 541. Matthew Stoessel | Guitar, Pedal Steel | 1 |
| 541. Matthew Thudium | Guitar, Vocals | 1 |
| 541. Matty Meyer | Drums | 1 |
| 541. Maureen Dunne | Cello | 1 |
| 541. Maurice "Mobetta" Brown (trumpet) | Musician | 1 |
| 541. Maurice Fitzgerald | Bass | 1 |
| 541. Maurice Smith | Vocals | 1 |
| 541. Mauricio Guerrero, Jr | Guitar | 1 |
| 541. Mauricio RamÃrez Echeverri | Drums | 1 |
| 541. Mauricio Zotarelli | Drums | 1 |
| 541. Mauro Refosco | Music Director, Percussion | 1 |
| 541. Maverick City Music | Featured Artist | 1 |
| 541. Mavis Staples | Featured Artist | 1 |
| 541. Mawuena Kodjovi | Backing Vocals, Bass | 1 |
| 541. Max Abrams | Saxophone | 1 |
| 541. Max Bassin | Drums | 1 |
| 541. Max Bernstein | Guitar | 1 |
| 541. Max Bryk | Flute, Keys, Saxophone | 1 |