• 3 Music Library (Mills)

• 15 Sound Recordings
• 1 Videos, Slides, Films

• 1 Compact Discs
• 1 Vinyl Records

• 12 Operas
• 1 Macbeth, King of Scotland, active 11th century

• 16 Teatro alla Scala. Orchestra
• 16 Verdi, Giuseppe, 1813-1901
• 10 Callas, Maria, 1923-1977
• 8 Serafin, Tullio, 1878-1968
• 6 Di Stefano, Giuseppe, 1921-2008
• 5 Clabassi, Plinio
• 5 Gobbi, Tito
• 5 Hugo, Victor, 1802-1885
• 3 Capecchi, Renato
• 3 Caselli, Dario
• 3 Cavallari, Rina
• 3 Del Signore, Gino, 1906-1978
• 3 Ghiaurov, Nicolai, 1929-2004
• 3 Nicolai, Elena
• 3 Rossi-Lemeni, Nicola, 1920-1991
• 3 Tagliabue, Carlo, 1898-1978
• 3 Tucker, Richard, 1913-1975
• 2 Abbado, Claudio
• 2 Alagna, Roberto
• 2 Bagalli, Ottorino
• 2 Bastianini, Ettore
• 2 Boito, Arrigo, 1842-1918
• 2 Bruson, Renato

• 1 English
• 1 No linguistic content

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