• 6 Music Library (Mills)

• 2 DVDs
• 2 VHS Videocassettes

• 3 Operas
• 1 Electra (Greek mythological figure)

• 7 Hofmannsthal, Hugo von, 1874-1929
• 3 Solti, Georg, 1912-1997
• 3 Te Kanawa, Kiri
• 3 Österreichischer Rundfunk
• 2 Abbado, Claudio
• 2 Bonney, Barbara
• 2 Haugland, Aage, 1944-2000
• 2 Howells, Anne, 1941-2022
• 2 King, James, 1925-2005
• 2 Konzertvereinigung Wiener Staatsopernchor
• 2 Kultur International Films
• 2 Kupfer, Harry
• 2 Marton, Eva
• 2 Metropolitan Opera (New York, N.Y.)
• 2 NVC Arts (Firm)
• 2 Royal Opera House (London, England)
• 2 Schlesinger, John, 1926-2003
• 2 Studer, Cheryl
• 1 Battle, Kathleen
• 1 Bayerischer Rundfunk
• 1 Björnson, Maria
• 1 Brendel, Wolfgang
• 1 British Broadcasting Corporation. Television Service

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