• 1,123 Music Library (Mills)
• 1 Memorial Library

• 1,239 Sound Recordings

• 158 Operas
• 30 Band music
• 26 Band music, Arranged
• 20 Orchestral music
• 13 Songs (High voice) with orchestra
• 11 Musical settings
• 10 Songs (High voice) with piano
• 6 Ballets
• 6 Musicals
• 6 Orchestral music, Arranged
• 6 Vocal duets with orchestra
• 5 Choral music
• 4 Choruses (Mixed voices) with piano
• 4 Oratorios
• 4 Songs (Low voice) with orchestra
• 4 Songs (Medium voice) with orchestra
• 4 Songs and music
• 3 Choruses (Mixed voices)
• 3 Choruses (Women's voices)
• 3 Choruses, Sacred (Mixed voices) with orchestra
• 3 Choruses, Sacred (Women's voices) with orchestra
• 3 Choruses, Secular (Mixed voices)
• 3 Electronic music
• 3 Madrigals, Italian
• 3 Magnificat (Music)

• 125 Verdi, Giuseppe, 1813-1901
• 92 Mozart, Wolfgang Amadeus, 1756-1791
• 75 Wagner, Richard, 1813-1883
• 66 Puccini, Giacomo, 1858-1924
• 60 Wiener Philharmoniker
• 53 Gedda, Nicolai
• 51 Rossini, Gioacchino, 1792-1868
• 49 Fischer-Dieskau, Dietrich, 1925-2012
• 43 Donizetti, Gaetano, 1797-1848
• 43 Wisconsin Music Archives
• 42 Ambrosian Opera Chorus
• 40 Bizet, Georges, 1838-1875
• 40 Sullivan, Arthur, 1842-1900
• 38 London Symphony Orchestra
• 38 Massenet, Jules, 1842-1912
• 36 Karajan, Herbert von
• 35 Gilbert, W. S. (William Schwenck), 1836-1911
• 34 Konzertvereinigung Wiener Staatsopernchor
• 34 Solti, Georg, 1912-1997
• 34 Teatro alla Scala
• 33 Philharmonia Orchestra (London, England)
• 33 Strauss, Richard, 1864-1949
• 32 Prey, Hermann, 1929-1998
• 30 Callas, Maria, 1923-1977
• 30 Domingo, Plácido, 1941-

• 473 Italian
• 267 German
• 204 English
• 173 French
• 63 Russian
• 52 No linguistic content
• 23 Multiple languages
• 21 Czech
• 18 Latin
• 15 Unknown
• 13 Spanish
• 10 Hungarian
• 4 Chinese
• 3 Danish
• 3 Finnish
• 3 Swedish
• 2 Polish
• 2 Ukrainian
• 1 Armenian
• 1 Belarusian
• 1 Church Slavic
• 1 Croatian
• 1 Georgian
• 1 Greek, Modern (1453-)
• 1 Hindi

• 2 China
• 2 England
• 1 Canada
• 1 France
• 1 Germany
• 1 Hungary
• 1 India
• 1 Milwaukee
• 1 Poland
• 1 Uttar Pradesh
• 1 Wisconsin

• 164 Sound recordings
• 129 Excerpts
• 46 Drama
• 39 Songs
• 26 Live sound recordings
• 25 Overtures
• 24 Musicals
• 22 Marches (Music)
• 19 Folk songs
• 19 Suites
• 18 Librettos
• 15 Oratorios
• 14 Symphonies
• 13 Popular music
• 11 Excerpts, Arranged
• 10 Medleys (Music)
• 9 Arrangements (Music)
• 9 Chamber music
• 7 Ballets (Music)
• 7 Musical settings
• 7 excerpts
• 6 Fantasias (Music)
• 6 Hymns
• 6 Motion picture music

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