- Mennin, Peter.1
- Menotti, Gian Carlo, 1911-2007.1
- Miller, Mildred, 1924-.1
- Miller, Philip Lieson, 1906-1996.1
- Mischakoff, Mischa, 1895-19811
- Mischakoff, Mischa, 1895-1981.1
- Mitropoulos, Dimitri, 1896-19603
- Mitropoulos, Dimitri, 1896-1960.3
- Moiseiwitsch, Benno, 1890-19631
- Music Teachers' National Association5
- Music Teachers' National Association.2
- National Association of Schools of Music4
- National Council on the Arts34
- National Music Council (U.S.)1
- Neuman, Herman1
- New England Conservatory of Music1
- New York Philharmonic.1
- Ney, Elly, 1882-19681
- Nikolaidi, Elena, 1909-20021
- Nikolaidi, Elena, 1909-2002.2