- Knight, Felix1
- Koussevitzky, Serge, 1874-19511
- Kraft, Leo1
- Kraft, Marie Simmelink, 1900-19671
- Krupp, David1
- Lawrence, D. H. (David Herbert), 1885-19301
- Leonards, Francis2
- Lockwood, Dorothy1
- Lockwood, Normand, 1906-20022
- Lora, Antonio, 1899-19651
- Lora, Edna Elsa1
- López, Elías, 1937-1
- Luening, Otto, 1900-19967
- MacDowell, Edward, 1860-19082
- MacKaye, Percy, 1875-19561
- Macbride, David1
- Makas, Anthony1
- Manhattan Chorus2
- Marlowe, Anthony1
- Mason, Daniel Gregory, 1873-19532
- Masselos, William1
- McBride, Robert, 1911-20071
- McKinley, Andrew2
- Metropolitan Opera (New York, N.Y.). Chorus1
- Metropolitan Opera (New York, N.Y.). Orchestra1
- Miller, Jean1
- Moll, Mariquita, 1923-20002
- Monson, Dale1
- Moore, Douglas, 1893-196912
- Morel Campos, Juan, 1857-18961
- Morel Campos, Juan, 1857-1896. Sinfonia Puerto Rico1
- Moross, Jerome, 1913-19831
- Mozart, Wolfgang Amadeus, 1756-17911
- NBC Symphony Orchestra1
- National Institute of Arts and Letters (U.S.)1
- New York Philharmonic1
- Oppenheim, David, 1922-20071
- Palmer, Robert, 1915-20101
- Parker, Horatio W. (Horatio William), 1863-19191
- Perry, Julia, 1924-19791
- Persichetti, Vincent, 1915-19871
- Peskanov, Mark1
- Phillips, Burrill3
- Piston, Walter, 1894-19762
- Porter, Quincy, 1897-19662
- Powell, John, 1882-19631
- Quarles, Francis, 1592-16441
- Rathaus, Karol, 1895-19541
- Raver, Leonard1
- Resnik, Regina, 1922-20131
- Riegger, Wallingford, 1885-19613
- Rogers, Bernard, 1893-19683
- Roosevelt, J. Willard, 1918-20082
- Rowe, Bertram1
- Rudhyar, Dane, 1895-19851
- Rølvaag, O. E. (Ole Edvart), 1876-19315
- Sanders, Ernest H1
- Sanders, Robert L., 1906-19741
- Sandor, Arpad1
- Saroyan, William, 1908-19811