| 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 | |
| Mattson, Calle | Calle Mattson | Musician | 1996 | 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 | |
| Marroquin, Héctor | Héctor Marroquin | Musician | 2015 | 1 | |
| Magne, Guillaume | Guillaume Magne | Musician | 2013 | 1 | |
| Moore, Jacob | Jacob Moore | Musician | 2016 | 1 | |
| Majumder, Sumon | Sumon Majumder | Musician | 2017 | 1 | |
| McCall, Tom | Tom McCall | Musician | 1972 | 1 | |
| Margolis, Gabriel | Gabriel Margolis | Musician | 2022 | 1 | |
| Molnar, Lucy | Lucy Molnar | Musician | 2022 | 1 | |
| Misimi, Leart | Leart Misimi (Леарт Мисими) | Musician | 2022 | 1 | |
| Mancarella, Philip | Philip Mancarella | Musician | 2022 | 1 | |
| Markussen, Erlend, Haugen | Erlend Haugen Markussen | Musical Director, Musician | 2015 | 2 | |
| Mittermeier, Markus | Markus Mittermeier | Musical Director, Musician | 2010 | 2 | |
| Meyer, Henry | Henry Meyer (Henry Meyer) | Musical Director | 1934 | 1 | |
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