• 2 Music Library (Mills)

• 2 Videos, Slides, Films

• 2 Deutsche Grammophon (Firm)
• 2 Levine, James, 1943-2021
• 2 Metropolitan Opera (New York, N.Y.)
• 1 Araiza, Francisco
• 1 Gelb, Peter
• 1 Hemm, Manfred, 1961-
• 1 Hockney, David
• 1 Hofmannsthal, Hugo von, 1874-1929
• 1 Igesz, Bodo
• 1 Kilduff, Barbara
• 1 King, James, 1925-2005
• 1 Metropolitan Opera (New York, N.Y.). Orchestra
• 1 Metropolitan Opera Television (Firm)
• 1 Moll, Kurt, 1938-2017
• 1 Mostart, Guus
• 1 Mozart, Wolfgang Amadeus, 1756-1791
• 1 Nentwig, Franz Ferdinand
• 1 Norman, Jessye
• 1 Schikaneder, Emanuel, 1751-1812
• 1 Schmidt, Andreas, 1960-
• 1 Serra, Luciana
• 1 Strauss, Richard, 1864-1949
• 1 Troyanos, Tatiana

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