| The M-G-M Orchestra | 1 | 1948 |
| M. André | 1 | 1964 |
| M. Callas, G. Di Stefano | 1 | 1959 |
| M. Callas, R. Panerai | 1 | 1959 |
| M. Dimitrij Stepanowitsch Bortnjanskij | 1 | 1981 |
| M. Immaculata Ritscher | 1 | |
| Malcolm McKelvey | 1 | |
| M. J. Samson | 1 | |
| M. Ledru | 1 | |
| Maria Moscisca | 1 | |
| M. Nucelly | 1 | |
| M. Schech, L. Losch, M. Klose, E. Hafliger | 1 | 1958 |
| M. Schech, L. Losch, M. Klose, E. Hafliger, Fischer-Dieskau | 1 | 1958 |
| M. Valentino | 4 | 1959 - 1963 |
| M. Vorelli | 1 | |
| M. Vorelli And M. Nucelly | 1 | |
| Maurice Yvain | 1 | |
| M.G.M. Orchestra | 1 | 1957 |
| Ma Lorenz | 1 | |
| Maaike Boekholt | 1 | 2002 |
| Maarit Kirvessalo | 1 | 2001 |
| Maarten Altena | 4 | 1995 - 2000 |
| Maarten Altena Ensemble | 2 | 1995 |
| Maarten Bon | 1 | 1974 |
| Maarten Hillenius | 1 | 1998 |
| Maarten Koningsberger | 1 | |
| Maarten Koningsberger, Roger Braun | 1 | 2003 |
| Maarten Kooy | 1 | |
| Maarten van Norden | 1 | 2000 |
| Maartje Offers | 1 | 1927 |
| The Maastricht Choir And Orchestra | 1 | 1956 |
| Maastricht Orchestra | 1 | 1960 |
| The Maastricht Orchestra | 2 | 1960 |
| The Mabillon Trio | 1 | 1962 |
| George MacFarren | 2 | 1957 - 1958 |
| Machiko Takahashi | 1 | 2009 |
| Macklin Marrow | 2 | 1949 |
| Madame Melba | 3 | 1910 |
| Madeleine Grey | 1 | 1974 |
| Madeleine Milhaud | 1 | 1995 |
| Madeleine Milhaud, Alexandre Tharaud | 1 | 1995 |
| Madeleine Mitchell, Andrew Ball | 1 | 2003 |
| Madeline Bell | 1 | 1979 |
| Madeline Foley | 1 | 1974 |
| Madeline Mitchell | 1 | |
| Mado Robin | 3 | 2011 - 2014 |
| The Madrigal Chorus Of Cologne | 1 | |
| The Madrigal Chorus Of Cologne, The Cologne Bach Orchestra, Herman Schroeder | 1 | |
| Madrigal-Chor | 1 | 1964 |
| Mady Mesplé | 3 | 1986 - 1992 |
| Mady Mesplé, Albert Tétard, Orchestre De Paris, Paul Capolongo | 1 | 1986 |
| Mady Mesplé, Danielle Millet, National Opera Orchestra, Alain Lombard | 1 | 1990 |
| Mady Mesplé, Danielle Millet, Paris Opéra-Comique Orchestra, Alain Lombard | 3 | 1991 - 2003 |
| Mady Mesplé, Orchestre De Paris, Paul Capolongo | 1 | 1986 |
| Maestro Sabaino | 1 | |
| Mafalda Masini | 1 | |
| Magali Schwartz | 1 | 1970 |
| Magda Gabory | 1 | |
| Magda Gabory, Achille Braschi | 1 | 1961 |
| Magdala | 1 | 2004 |
| Magdalen College Choir, Oxford, Dr John Harper | 1 | 2000 |
| Magdaléna Hajóssyová | 4 | 1983 |
| Magdalena Kožená | 3 | 2000 - 2006 |
| Magdalena Kožená, Graham Johnson | 1 | 2000 |
| Magdalena Kozená, Musica Florea | 1 | 2006 |
| Magdalena Rivera | 1 | 1957 |
| Magdolna Tarkó | 1 | 1987 |
| Maggie Cole | 1 | |
| Maggie Teyte | 2 | 1941 - 1967 |
| Maggie Teyte, Gerald Moore | 1 | 1967 |
| Maggini String Quartet | 1 | 1997 |
| Maggini String Quartet, Peter Donohoe | 1 | 1997 |
| The Maggio Musicale Fiorentino | 1 | |
| Magik*Magik Orchestra | 1 | |
| Magister Pier | 1 | 1990 |
| Maestro Piero | 1 | 1969 |
| Magne Amdahl | 1 | 2006 |
| Magnificat | 1 | 1996 |
| Magnus Williamson | 1 | 2014 |
| Magyar Philharmonic Orchestra | 1 | 1994 |
| Mahan Esfahani | 2 | 2019 |
| Mainz Chamber Orchestra | 14 | 1963 - 1991 |
| Mainz Chamber Orchestra With Heinz Ziekler And Herbert Thal (Trumpets) | 1 | 1980 |
| Mainz Chamber Orchestra With Klaus Pohlers (Flute) And Hugo Ruf (Harpsichord) | 1 | 1980 |
| Mainz Chamber Orchestra With Susanne Lautenbacher (Violin) | 1 | 1980 |
| Mainz Chamber Orchestra, Gunter Kehr | 8 | 1963 - 1990 |
| Mainzer Kammerorchester | 2 | 2003 |
| Maïté Etcheverry | 1 | |
| Maîtrise de Radio France | 2 | 1991 - 1996 |
| Maîtrise Petits Chanteurs De Versailles | 2 | 1960 |
| Maja Roodveldt | 1 | |
| Major Douglas A. Pope | 1 | 1958 |
| Major F. J. Harris, M.B.E. | 1 | |
| Major J. MacKenzie-Rogan | 2 | 1913 |
| Major Peter Parkes | 1 | |
| Maksim Shostakovich | 2 | 1972 |
| Malcolm Archer | 4 | 2005 - 2018 |
| Malcolm Arnold | 10 | 1955 - 2001 |
| Malcolm Arnold, Modest Mussorgsky, Charles Camille Saint-Saens, Englebert Humperdinck, Franz Liszt | 1 | |
| Malcolm Arnold, Morley College Symphony Orchestra | 1 | |
| Malcolm Binns | 1 | 1976 |
| Malcolm Bruno | 1 | 1993 |
| Malcolm Doley | 1 | |
| Malcolm Frager | 3 | 1960 - 1977 |
| Malcolm Frager, North German Radio Symphony Orchestra, Marc Andreae | 1 | 1977 |
| Malcolm Frager, Paris Conservatoire Orchestra, Rene Leibowitz | 1 | 1960 |
| Malcolm Hicks | 1 | 1995 |
| Malcolm King | 2 | 1978 - 1980 |
| Malcolm Latchem | 3 | 1985 - 1993 |
| Malcolm Layfield | 1 | |
| Malcolm Martineau | 2 | 1994 |
| Malcolm McEachern | 1 | 1922 |
| Malcolm Messiter | 1 | |
| Malcolm Proud | 1 | |
| Malcolm Sargent | 139 | 1926 - 2015 |
| Malcolm Stewart | 2 | 1993 - 1998 |
| Malcolm Stewart, Royal Scottish National Orchestra | 1 | 1998 |
| Malcolm Stewart, Royal Scottish National Orchestra, David Davies | 1 | 1998 |
| Malcolm Stewart, Royal Scottish National Orchestra, Vernon Handley | 1 | 1998 |
| Malcolm Williams | 1 | 1974 |
| Malcolm Williamson | 1 | 1968 |
| Malcuzynski | 5 | 1947 - 1956 |
| Malcuzynski And The Philharmonia Orchestra | 1 | |
| Maldwyn Davies | 3 | 1981 - 1998 |
| Male Choir "Getea" | 2 | 1960 |
| Male Chorus of the Mendelssohn Club, Philadelphia | 1 | 1970 |
| Male Voice Choir | 1 | 2011 |
| Malena Ernman | 1 | 2009 |
| Malgorzata Orawska | 1 | 2010 |
| Malin Broman | 1 | 2013 |
| The Mallander Scala Orchestra | 1 | 1961 |
| Malle Symen Kwartet | 1 | 2003 |
| Mallory Walker | 1 | 1968 |
| Malmö Symfoniorkester | 1 | |
| Malmö Symphony Orchestra | 1 | 2019 |
| Manchester Cathedral Choir | 1 | 2002 |
| Manchester Children's Choir | 2 | 1994 - 1995 |
| Manchester Children's Choir, Halle Orchestra, Sir Hamilton Harty | 2 | 1994 - 1995 |
| Manchester School Children's Choir | 1 | 1974 |
| Manchester Sinfonia | 1 | |
| Manfred Ackermann | 1 | 1975 |
| Manfred Bittner | 6 | 2005 |
| Manfred Clement | 1 | |
| Manfred Cordes | 1 | 1995 |
| Manfred Gräser | 1 | 1968 |
| Manfred Gurlitt | 2 | 1951 |
| Manfred Huss | 1 | |
| Manfred Jung | 2 | 1981 |
| Manfred Jungwirth | 2 | 1950 - 1958 |
| Manfred Klier | 2 | 1980 - 1983 |
| Manfred Reichert | 1 | |
| Manfred Reuthe | 1 | |
| Manfred Röhrl | 2 | |
| Manfred Sax | 2 | 1971 - 2005 |
| Manfred Scherzer | 1 | 2007 |
| Manfred Scherzer, Berlin Chamber Orchestra, Helmut Koch | 1 | 2007 |
| Manfred Schmidt | 2 | 1957 - 1959 |
| Manfred Zeh | 1 | 1984 |
| Mangala Vadyam | 1 | 2002 |
| Manganiars | 1 | 2003 |
| Manhattan Festival Orchestra | 1 | |
| Manhattan Opera Chorus | 1 | 1973 |
| Manilo | 1 | |
| Manitas De Plata | 1 | 1973 |
| Manlio di Veroli | 2 | 1927 - 1957 |
| Manlio Rocchi | 2 | 1967 |
| Männerchor Amersfoort | 1 | 1964 |
| Männerchor Der Komischen Oper Berlin | 1 | 1958 |
| Männerchor Des Berliner Rundfunks | 1 | 1981 |
| Männerchor des Rundfunkchores Leipzig | 1 | 1991 |
| Männerchor Des Rundfunkchores Leipzig, Gert Frischmuth, Staatskapelle Dresden, Peter Schreier | 1 | 1991 |
| Männergesangverein "Germania" 1892 e. V. Siegburg | 1 | |
| Männerstimmen des King's College Chores, Cambridge | 1 | |
| Mannheim Chamber Orchestra | 1 | |
| Mannheim Mozart Orchestra | 1 | 2010 |
| Mannheim Mozart Orchestra, Thomas Fey | 1 | 2010 |
| Manon And Des Grieux | 1 | 1987 |
| Manoug | 1 | |
| Manoug Parikian | 3 | 1956 |
| Manoug Parikian, Susan McGaw, | 1 | |
| Manoug Parikian, Susan McGaw, The Melos Ensemble | 1 | 1967 |
| Manoug Parikian, The Melos Ensemble, Edward Downes | 1 | 1967 |
| Manoug Parikian, The Melos Ensemble, Lawrence Foster | 1 | 1967 |
| Mantovani | 28 | 1952 - 1978 |
| Mantovani And His Concert Orchestra | 1 | 1941 |
| Mantovani And His Orchestra | 27 | 1952 - 1978 |
| Mantovani And Orchestra | 1 | 1975 |
| Mantovani Und Sein Orchester | 1 | 1965 |
| Mantovani Y Su Orquesta | 1 | |
| Manuel Barrueco | 1 | 2003 |
| Manuel Barrueco And Steve Morse (Guitars) | 1 | 2003 |
| Manuel Cardoso | 1 | 1988 |
| Manuel Cubedo | 2 | 1989 |
| Manuel Cubedo, Barcelona Symphony Orchestra, Rafael Ferrer | 2 | 1982 - 1989 |
| The Manuel Da Falla Orchestra | 1 | 1971 |
| Manuel de Falla | 96 | 1938 - 2003 |
| Manuel De Falla Orchestra | 2 | 1971 - 1974 |
| Manuel De Falla Orchestra And Chorus | 1 | 1973 |
| The Manuel de Falla Orchestra | 14 | 1968 - 1984 |
| Manuel de Tavares | 1 | 1994 |