| Title | Artist | Song # |
| Mama Don't Let Your Babies | Nelson, Willie & Waylon Jennings | 327-13 |
| Mama, Don't Let Your Babies | Nelson, Willie & Waylon Jennings | 195-3 |
| Mama, Don't Let Your Babies | Nelson, Willie & Waylon Jennings | 33-14 |
| Mamas Don't Let Your Babies | Nelson & Jennings | 8-14 |
| Mamas Don't Let Your Babies Grow Up To B | Nelson & Jennings | 42-20 |
| Maybe He'll Notice Her Now | McCready, Mindy & Richie McDonald | 16-6 |
| Maybe Not Tonight | Morgan, Lorrie & Sammy Kershaw | 159-6 |
| Meet Me In Montana | Osmond, Marie & Dan Seals | 78-8 |
| Mendocino Country Line | Nelson, Willie & Lee Ann Womack | 160-4 |
| Mendocino Country Line | Nelson, Willie & Lee Ann Womack w/vocal | 160-12 |
| Misery And Gin | Haggard, Merle & Clint Eastwood | 131-6 |
| Murder On Music | Jacksonn, Row & George Strait | 160-5 |
| Murder On Music | Jacksonn, Row & George Strait w/vocal | 160-13 |
| Music Of My Heart | N Sync & Gloria Estefan | 76-3 |
| My Funny Valentine | Bennett, Tony, Sarah Vaughn, Frank Sinat | 400-12 |
| My Kind Of Woman | Gill, Vince & Patti Loveless | 231-2 |
| My Kind Of Woman / My Kind Of Man | Gill, Vince & Patty Loveless | 78-13 |
| My Kind Of Woman, My Kind Of Man | Gill, Vince & Patty Loveless | 159-8 |