• 160 Music Library (Mills)

• 3 Music Scores
• 1 Videos, Slides, Films

• 82 Vinyl Records
• 50 Compact Discs
• 1 DVDs

• 509 Operas
• 67 Songs (High voice) with orchestra
• 50 Songs (High voice) with piano
• 18 Music
• 16 Computer network resources
• 11 Songs (Medium voice) with piano
• 9 Recorded accompaniments (High voice)
• 9 Songs (Medium voice) with orchestra
• 9 Vocal duets with orchestra
• 8 Oratorios
• 8 Songs, Italian
• 7 Karaoke
• 7 Requiems
• 7 Vocal music
• 6 Motion picture music
• 6 Musicals
• 6 Songs (High voice) with instrumental ensemble
• 5 Masses
• 5 Orchestral music
• 5 Overtures
• 5 Songs (Low voice) with piano
• 4 Live sound recordings
• 4 Piano music
• 3 Callas, Maria, 1923-1977
• 3 Choruses, Secular (Mixed voices) with orchestra

• 289 Verdi, Giuseppe, 1813-1901
• 247 Donizetti, Gaetano, 1797-1848
• 198 Rossini, Gioacchino, 1792-1868
• 173 Puccini, Giacomo, 1858-1924
• 124 Mozart, Wolfgang Amadeus, 1756-1791
• 106 Callas, Maria, 1923-1977
• 106 Gounod, Charles, 1818-1893
• 92 Bizet, Georges, 1838-1875
• 79 Romani, Felice, 1788-1865
• 71 Massenet, Jules, 1842-1912
• 70 Meyerbeer, Giacomo, 1791-1864
• 56 Thomas, Ambroise, 1811-1896
• 54 Leoncavallo, Ruggiero, 1858-1919
• 54 Mascagni, Pietro, 1863-1945
• 51 Handel, George Frideric, 1685-1759
• 50 Delibes, Léo, 1836-1891
• 47 Sutherland, Joan, 1926-2010
• 46 Serafin, Tullio, 1878-1968
• 45 Gluck, Christoph Willibald, Ritter von, 1714-1787
• 44 Ponchielli, Amilcare, 1834-1886
• 43 Giordano, Umberto, 1867-1948
• 43 Wagner, Richard, 1813-1883
• 40 Cilèa, Francesco, 1866-1950
• 38 Bonynge, Richard

• 195 French
• 96 German
• 60 English
• 42 Multiple languages
• 23 Russian
• 21 Latin
• 15 Spanish
• 9 Czech
• 4 Romanian
• 3 Japanese
• 3 Polish
• 2 Norwegian
• 2 Portuguese
• 2 Welsh
• 1 Arabic
• 1 Chinese
• 1 Church Slavic
• 1 Finnish
• 1 Hungarian
• 1 Korean
• 1 Maori
• 1 No linguistic content
• 1 Swedish
• 1 Undetermined

• 4 Italy
• 2 England
• 2 Great Britain
• 1 Amsterdam
• 1 France
• 1 Madison
• 1 Netherlands
• 1 Wisconsin

• 408 Excerpts
• 82 Operas
• 64 Sound recordings
• 49 Live sound recordings
• 23 Excerpts, Arranged
• 17 Songs
• 11 Art music
• 4 Drama
• 3 Chamber music
• 2 Folk songs
• 2 Librettos
• 2 Motion picture music
• 2 Overtures
• 2 Recorded accompaniments
• 1 Ballets (Music)
• 1 Biographies
• 1 Biography
• 1 Christmas music
• 1 Hymns
• 1 Interviews
• 1 Karaoke
• 1 Oratorios
• 1 Sacred music
• 1 Song cycles
• 1 Songs and music

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