- The Manhattan Jazz Orchestra -- The Mankunku Quartet
- The Mann Sisters -- The Maple Mountain Sunburst Triolian Orchestra
- The Maple Room -- The Marc Why Group
- The Marcarlo Brothers -- The Marianna Prosperity
- The Marie Sisters -- The Mark Knoll Band
- The Mark Kramer Jazz Trio -- The Marlboros/The Jokers Six
- The Marley Boys -- The Marshwiggles
- The Marsupials -- The Marty Warburton Band
- The Marty Warburton Band -- The Mascots
- The Mascots -- The Massed Bands of the British Army
- The Massed Bands Of The Parachute Regiment -- The Master's Plan Of Southern California
- The Masters Quartet -- The Matney Sisters
- The Matrix -- The Matson Music Box