- Mennin, Peter1
- Mensch, Homer R1
- Merjos, Constantine1
- Messiaen, Olivier, 1908-19921
- Metropolitan Opera (New York, N.Y.). Chorus1
- Metropolitan Opera (New York, N.Y.). Orchestra1
- Meyer-Eppler, W. (Werner)2
- Middleton, Jean (Pianist)1
- Miki, Lily1
- Milhaud, Darius, 1892-19742
- Miller, Frederick (Cellist)1
- Miller, Jean1
- Miller, Jesse (Double bassist)1
- Miller, Robert, 1930-19816
- Mills, Fred, 1935-20092
- Mills, Gene (Pianist)1
- Milwaukee Ballet Company1
- Mimaro glu, Ilhan K. ( Ilhan Kemaleddin), 1926-20121
- Mimaroğlu, İlhan K. (İlhan Kemaleddin), 1926-20122
- Mimaroğ̆lu, İlhan K (İlhan Kemaleddin), 1926-20127
- Mimaroğlu, İlhan K. (İlhan Kemaleddin), 1926-20127
- Ming xing ying pian gong si1
- Miranda Vargas, Sara1
- Miranda, Tony1
- Mitchell, Arthur, 1934-201845
- Mobbs, Edward1
- Molino Stucky (Venice, Italy)1
- Monk, Thelonious3
- Monod, Jacques-Louis, 1927-20203
- Monson, Dale1
- Montlack, Sol1
- Moore, Carman1
- Moore, David, 1938-1
- Moore, Douglas, 1893-19697
- Moore, Kermit1
- Moorman, Charlotte1
- Morel Campos, Juan, 1857-18961
- Morel Campos, Juan, 1857-1896. Sinfonia Puerto Rico1
- Moroi, Makoto, 1930-20131
- Morris, Robert, 1943-1
- Moryl, Richard, 1929-1
- Moscovitz, Harry, 1904-19812
- Moss, Lawrence1
- Moss, Linda (Violist)1
- Mourant, Walter, 1910-19951
- Mozart, Wolfgang Amadeus, 1756-17911
- Multer, Walton1
- Murvitz, Moshe1
- Museum für Moderne Kunst (Frankfurt am Main, Germany)21
- Museum of Islamic Art (Dawḥah, Qatar)14
- Museum of the Borough of Brooklyn at Brooklyn College4
- Myers, Rick1
- Myrvik, Norman1
- NBC Symphony Orchestra1
- Nadien, David, 1926-20141
- Nagel, Robert1
- Nakagawa, Ryohei1
- National Museum of Saudi Arabia12
- Neal, Margaret1
- Nebenzal, Seymour1