• 22 Music Library (Mills)

• 36 Sound Recordings

• 14 Vinyl Records

• 13 Operas
• 6 Songs (High voice) with orchestra
• 4 Songs (Low voice) with piano
• 2 Choruses, Secular (Men's voices, 4 parts) with orchestra
• 2 Songs (Low voice) with instrumental ensemble
• 2 Songs, Norwegian
• 1 Folk songs, English
• 1 Musicals
• 1 Oratorios
• 1 Passion music
• 1 Songs (Low voice) with orchestra
• 1 Songs (Medium voice) with orchestra

• 6 Ferrier, Kathleen, 1912-1953
• 6 Wiener Philharmoniker
• 4 Flagstad, Kirsten, 1895-1962
• 4 Güden, Hilde
• 4 London Symphony Orchestra
• 4 Spurr, Phyllis
• 4 Wagner, Richard, 1813-1883
• 3 Bayreuther Festspiele
• 3 Donizetti, Gaetano, 1797-1848
• 3 Državna opera (Belgrade, Serbia)
• 3 Gluck, Christoph Willibald, Ritter von, 1714-1787
• 3 Konzertvereinigung Wiener Staatsopernchor
• 3 Newmark, John
• 3 Tchaikovsky, Peter Ilich, 1840-1893
• 3 Verdi, Giuseppe, 1813-1901
• 2 Alnæs, Eyvind, 1872-1932
• 2 Ansermet, Ernest, 1883-1969
• 2 Baranović, Krešimir, 1894-1975
• 2 Barbier, Jules, 1825-1901
• 2 Bastianini, Ettore
• 2 Brahms, Johannes, 1833-1897
• 2 Britten, Benjamin, 1913-1976
• 2 Böhm, Karl, 1894-1981
• 2 Capecchi, Renato
• 2 Carré, Michel, 1819-1872

• 13 German
• 11 Italian
• 7 English
• 5 Russian
• 4 French
• 2 Norwegian
• 1 Finnish
• 1 Latin
• 1 No linguistic content
• 1 Swedish

• 1 Great Britain

• 17 Operas
• 8 Excerpts
• 1 Requiems
• 1 Song cycles

Limit year range