- Eileen Farrell, Columbia Symphony Orchestra & Max Rudolf
- Sofia National Opera Chorus, Ivan Marinov, Sofia National Opera Orchestra, Nicola Ghiuselev, Alexandrina Milcheva, Maria Dimchevska, Verter Vrachovsky, Yulia Wiener-Chinesheva, Nikola Nikolov, Nikolay Smochevsky & Stefan Tsiganchev
- Giuseppe di Stefano
- Anton Guadagno, Franco Corelli, Orchestre de la Suisse Romande & Renata Tebaldi
- John Wustman & Luciano Pavarotti
- Mario del Monaco