• 37 Music Library (Mills)

• 82 Sound Recordings
• 8 Videos, Slides, Films

• 19 Vinyl Records
• 9 Compact Discs
• 6 DVDs

• 70 Operas
• 7 Songs (High voice) with orchestra
• 4 Songs (High voice) with piano
• 3 Don Juan (Legendary character)
• 3 Symphonies
• 2 Concertos (Piano)
• 2 Requiems
• 1 Concertos (Cello)
• 1 Concertos (Clarinet)
• 1 Juan, Don (Legendary character)
• 1 Masses
• 1 Netrebko, Anna
• 1 Oratorios
• 1 Orchestral music
• 1 Overtures
• 1 Sacred songs (Medium voice) with instrumental ensemble
• 1 Sacred songs (Medium voice) with orchestra
• 1 Songs (High voice) with instrumental ensemble
• 1 Songs (Medium voice) with orchestra
• 1 Songs, Spanish
• 1 String orchestra music
• 1 Suites (Orchestra)
• 1 Titus, Emperor of Rome, 40-81
• 1 Vocal duets with piano
• 1 Vocal music

• 60 Konzertvereinigung Wiener Staatsopernchor
• 44 Da Ponte, Lorenzo, 1749-1838
• 22 Siepi, Cesare
• 19 Della Casa, Lisa
• 17 Schwarzkopf, Elisabeth
• 16 Dermota, Anton
• 14 Berry, Walter
• 14 Böhm, Karl, 1894-1981
• 13 Muti, Riccardo
• 10 Corena, Fernando
• 10 Furtwängler, Wilhelm, 1886-1954
• 10 Karajan, Herbert von
• 10 Kunz, Erich, 1909-1995
• 9 Beaumarchais, Pierre Augustin Caron de, 1732-1799
• 9 Grümmer, Elisabeth
• 9 Studer, Cheryl
• 8 Krips, Josef
• 8 Leinsdorf, Erich, 1912-1993
• 8 London, George, 1920-1985
• 8 Murray, Ann, 1949-
• 8 Seefried, Irmgard
• 8 Vaness, Carol
• 7 Edelmann, Otto

• 14 German
• 4 Latin
• 4 Multiple languages
• 3 French
• 2 Czech
• 2 English
• 1 Spanish
• 1 Swedish

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