- Leontyne Price, Arturo Basile, Carlo Bergonzi, Corinne Vozza, Daniel Guss, Erich Leinsdorf, Ezio Flagello, Fernando Iacopucci, Francesco Molinari-Pradelli, Giorgio Tozzi, Hartje Mueller, John Newton, Julia Hamari, Laura Londi, Mario Sereni, Oliviero de Fabritiis, RCA Italiana Opera Chorus, RCA Italiana Opera Orchestra, Reri Grist, Robert El Hage, Robert Merrill, Orchestra of the Rome Opera House, Shirley Verrett & Thomas Schippers
- Mirella Freni, Vladimir Ghiaurov, Kurt Peter Eichhorn & Munich Radio Orchestra
- Victoria de los Ángeles, Mario del Monaco, Leonard Warren, Fausto Cleva & The Metropolitan Opera
- Herbert von Karajan, Leontyne Price, Vienna Philharmonic, Giuseppe di Stefano, Giuseppe Taddei & Fernando Corena