• 5 Music Library (Mills)

• 13 Videos, Slides, Films
• 3 3-D Objects, Models, Sculpture
• 2 Kits

• 4 Operas
• 2 Music rehearsals
• 2 Symphonies
• 1 Bernstein, Leonard, 1918-1990
• 1 Criticism and interpretation
• 1 Electra, (Greek mythological figure)
• 1 Goethe, Johann Wolfgang von, 1749-1832
• 1 Klopstock, Friedrich Gottlieb, 1724-1803
• 1 Mahler, Gustav, 1860-1911
• 1 Nietzsche, Friedrich Wilhelm, 1844-1900
• 1 Opera
• 1 Production and direction
• 1 Ring des Nibelungen
• 1 Salome (Biblical figure)
• 1 Siblings
• 1 Song cycles
• 1 Songs (High voice) with orchestra
• 1 Songs (Medium voice) with orchestra
• 1 Veni Creator Spiritus (Music)
• 1 Wagner, Richard, 1813-1883
• 1 Witches

• 8 Unitel Film- und Fernsehproduktionsgesellschaft mbH
• 7 Burton, Humphrey, 1931-
• 6 Bernstein, Leonard, 1918-1990
• 6 Konzertvereinigung Wiener Staatsopernchor
• 6 Mahler, Gustav, 1860-1911
• 5 Deutsche Grammophon Video
• 4 Deutsche Grammophon (Firm)
• 4 Kollo, René, 1937-
• 4 Ludwig, Christa
• 4 Strauss, Richard, 1864-1949
• 4 Wiener Sängerknaben
• 3 Hofmannsthal, Hugo von, 1874-1929
• 3 Prey, Hermann, 1929-1998
• 3 Tizmoret ha-filharmonit ha-Yiśreʼelit
• 2 Armstrong, Sheila
• 2 Baker, Janet, 1933-
• 2 Baltsa, Agnes
• 2 Blegen, Judith
• 2 Böhm, Karl, 1894-1981
• 2 Dam, José van
• 2 Edinburgh Festival Chorus
• 2 Gruberova, Edita, 1946-2021
• 2 Jurinac, Sena, 1921-2011
• 2 London Symphony Orchestra

• 1 English
• 1 Latin

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