- McGee, Gary (Clarinetist)1
- McGraw, Cameron1
- McKnight, Charles, 1949-1
- Menken, Julian1
- Mensch, Homer R1
- Merjos, Constantine1
- Metropolitan Opera (New York, N.Y.). Chorus1
- Metropolitan Opera (New York, N.Y.). Orchestra1
- Middleton, Jean (Pianist)1
- Miki, Lily1
- Miller, Frederick (Cellist)1
- Miller, Jean1
- Miller, Jesse (Double bassist)1
- Miller, Robert, 1930-19816
- Mills, Fred, 1935-20092
- Mills, Gene (Pianist)1
- Mimaroğ̆lu, İlhan K (İlhan Kemaleddin), 1926-20121
- Miranda Vargas, Sara1
- Miranda, Tony1
- Mobbs, Edward1
- Monod, Jacques-Louis, 1927-20201
- Monson, Dale1
- Montlack, Sol1
- Moore, Carman1
- Moore, David, 1938-1
- Moore, Douglas, 1893-19695
- Moore, Kermit1
- Morel Campos, Juan, 1857-18961
- Morel Campos, Juan, 1857-1896. Sinfonia Puerto Rico1
- Morris, Robert, 1943-1
- Moryl, Richard, 1929-1
- Moscovitz, Harry, 1904-19812
- Moss, Lawrence1
- Moss, Linda (Violist)1
- Mozart, Wolfgang Amadeus, 1756-17911
- Multer, Walton1
- Murvitz, Moshe1
- Myers, Rick1
- Myrvik, Norman1
- NBC Symphony Orchestra1
- Nadien, David, 1926-20141
- Nagel, Robert1
- Nakagawa, Ryohei1
- Neal, Margaret1
- Neill, Lou Anne1
- Neuman, Herman1
- New Art Wind Quintet2
- New York Brass Quintet1
- New York City Symphony1
- New York Philharmonic1
- Noellner, Walter1
- Nordli, Douglas1
- Ondrejka, Ronald1
- Oppenheim, David, 1922-20071
- Oppens, Ursula1
- Orbón, Julián, 1925-19911
- Orcutt, Eugene1
- Ostroff, Esther12
- Overton, Hall, 1920-19721
- Oxman, Ralph2