| Macklin, Kersti | Kersti Macklin | Musician | 1991 | 1 | |
| Maxwell, Michelle | Michelle Maxwell | Musician | 1994 | 1 | 1 |
| Miròn, Julio | Julio Miròn | Musician | 1994 | 1 | |
| Mölkner, Stefan | Stefan Mölkner | Musician | 1996 | 1 | |
| Miaka, Stephen | Stephen Miaka | Musician | 1966 | 1 | |
| Michekoff, Matthew | Matthew Michekoff | Musician | 1966 | 1 | |
| Mason, Robin | Robin Mason | Musician | 2004 | 5 | |
| Martlew, Zoe | Zoe Martlew | Musician | 2005 - 2006 | 2 | |
| Málek, Prokop | Prokop Málek | Musician | 1940 | 1 | 1 |
| Mieskolainen, Elina | Elina Mieskolainen | Musician | 2001 | 1 | |
| Monsen, Bård | Bård Monsen | Musician | 2006 | 2 | |
| Meland, Berit | Berit Meland | Musician | 2006 | 2 | |
| Miranda, Gabriela | Gabriela Miranda | Musician | 2006 | 2 | |
| Mohamed, Hashim | Hashim Mohamed | Musician | 2006 | 5 | |
| McGrath, Jenni | Jenni McGrath | Musician | 2006 | 1 | |
| Millett, Robert | Robert Millett | Musician | 2009 | 1 | |
| Mages, Klaus | Klaus Mages | Musician | 2008 | 1 | |
| Maschio, Giulio | Giulio Maschio | Musician | 2010 | 1 | |
| Mahesh, Gaddam | Gaddam Mahesh | Musician | 2015 | 1 | |
| Mesquita, Inês | Inês Mesquita | Musician | 2010 | 1 | |
| Marillier, François | François Marillier | Musician | 2010 - 2013 | 16 | |
| Moreau, Julie | Julie Moreau | Musician | 2012 | 11 | |
| May, Ruth | Ruth May | Musician | 2013 | 1 | |
| Mupondirio, Cornelius | Cornelius Mupondirio | Musician | 2015 - 2016 | 2 | |
| Mayock, Emer | Emer Mayock | Musician | 2011 | 1 | |
| Muntasir, Ahmed | Ahmed Muntasir | Musician | 2013 | 10 | |
| Mishra, Puneet Kumar | Puneet Kumar Mishra | Musician | 2016 - 2017 | 2 | |
| Mundy, N. | N. Mundy | Musician | 1928 | 1 | |
| Morgan, Laurie | Laurie Morgan | Musician | 1970 | 1 | |
| Messinger, Alice | Alice Messinger | Musician | 1946 | 1 | |
| Martinovic, Bojan | Bojan Martinovic | Musician | 2000 - 2001 | 3 | |
| Monn-Iversen, Arne | Arne Monn-Iversen | Musician | 1974 | 10 | |
| Meulenbeek, Dion | Dion Meulenbeek | Musician | 1991 | 1 | |
| McCall, Greg | Greg McCall | Musician | 1992 | 1 | |
| Müller-Arnsberg, Ulrich | Ulrich Müller-Arnsberg | Musician | 1995 | 1 | |
| Martínez, Santiago | Santiago Martínez | Musician | 2018 | 1 | |
| Michelsen, Morten | Morten Michelsen | Musician | 2017 - 2018 | 2 | |
| Mader, Martin | Martin Mader | Musician | 2017 | 1 | |
| Manolis, Neophytou | Neophytou Manolis | Musician | 2019 | 1 | |
| Mauri, Nadina | Nadina Mauri | Musician | 2019 | 1 | |
| Molina, Carmelo | Carmelo Molina | Musician | 2017 - 2020 | 2 | |
| Morales, Alicia | Alicia Morales | Musician | 2017 - 2020 | 2 | |
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