• 175 Videos, Slides, Films
• 1 3-D Objects, Models, Sculpture
• 1 Sound Recordings

• 1 Compact Discs

• 22 Operas
• 4 Man-woman relationships
• 2 Caesar, Julius
• 2 Eurydice (Greek mythological character)
• 2 Good and evil
• 2 Holocaust survivors
• 2 Mozart, Wolfgang Amadeus, 1756-1791
• 2 Music
• 2 Music theater
• 2 Nero, Emperor of Rome, 37-68
• 2 Operas, Chinese
• 2 Orpheus (Greek mythological character)
• 2 Poppaea Sabina, Empress, consort of Nero, Emperor of Rome, -65
• 2 Singing
• 2 Titus, Emperor of Rome, 40-81
• 2 Wagner, Richard, 1813-1883
• 1 Achille Lauro Hijacking Incident, 1985
• 1 Aeneas (Legendary character)
• 1 Americans
• 1 Ariadne (Greek mythology)
• 1 Atomic bomb
• 1 Bayreuther Festspiele
• 1 Bluebeard (Legendary character)
• 1 Caruso, Enrico, 1873-1921
• 1 Christian women saints

• 35 Mozart, Wolfgang Amadeus, 1756-1791
• 35 Opus Arte (Firm)
• 30 Deutsche Grammophon (Firm)
• 22 Unitel Film- und Fernsehproduktionsgesellschaft mbH
• 20 Large, Brian
• 19 Decca Record Company
• 18 TDK Kabushiki Kaisha
• 18 Wagner, Richard, 1813-1883
• 14 Fleischer, Bernhard
• 14 Salzburger Festspiele, (2006 : Salzburg, Austria)
• 14 Teatro alla Scala
• 13 Verdi, Giuseppe, 1813-1901
• 12 Da Ponte, Lorenzo, 1749-1838
• 12 Kultur International Films
• 11 Arthaus Musik (Firm)
• 11 Konzertvereinigung Wiener Staatsopernchor
• 11 Metropolitan Opera (New York, N.Y.)
• 10 Muti, Riccardo
• 10 Radiotelevisione italiana
• 10 Rossini, Gioacchino, 1792-1868
• 9 Gruppo ENI
• 9 Levine, James, 1943-2021
• 9 Nederlandse Opera
• 9 Puccini, Giacomo, 1858-1924
• 9 Wiener Philharmoniker

• 78 Italian
• 49 German
• 35 English
• 18 French
• 5 Russian
• 3 Latin
• 2 Multiple languages
• 2 Spanish
• 2 Vietnamese
• 1 Arabic
• 1 Chinese
• 1 Czech
• 1 Dutch
• 1 Hebrew
• 1 Hungarian
• 1 No linguistic content

• 3 China
• 2 Vietnam
• 1 Bayreuth
• 1 Beijing
• 1 Brooklyn (New York, N.Y.)
• 1 France
• 1 Germany
• 1 Japan
• 1 Khánh Hòa (Province)
• 1 Khánh Hòa (Vietnam : Province)
• 1 Rome

• 164 Operas
• 47 Drama
• 6 Documentary films
• 6 Film adaptations
• 6 Interviews
• 6 Nonfiction films
• 6 Opera
• 5 Feature films
• 4 Excerpts
• 4 Performance
• 3 Filmed performances
• 2 Biographical films
• 2 Concert films
• 2 Music
• 2 Nonfiction television programs
• 1 Ballets (Dance)
• 1 Biographical (Nonfiction)
• 1 Biographical television programs
• 1 Excerpts, Arranged
• 1 Feature
• 1 Fiction films
• 1 Fiction television programs
• 1 Music videos
• 1 Musical films

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