- Alberto Erede, Renata Tebaldi, Swiss Romande Orchestra, RAI Symphony Orchestra, Milan, Nino Sanzogno, Orchestra del Teatro alla Scala di Milano, Arturo Toscanini, Arturo Simonetto, Carlo Bergonzi, Mario del Monaco, Dimitri Mitropoulos, Fiorentino Maggio Musicale Orchestra, Silvio Maionica, Hans Beirer, Karl Böhm, San Carlo Theatre Orchestra, Gaetano Merola, San Francisco Opera Orchestra, Giuseppe di Stefano, Carlo Maria Giulini & RAI Symphony Orchestra Rome
- Dame Joan Sutherland, Bernadette Greevy, Forbes Robinson, Hervey Alan & William Herbert
- Frederica von Stade, Charles Wadsworth & Judith Blegen
- English Chamber Orchestra, Bernhard Klee & Edith Mathis
- Antal Doráti, Brighton Festival Chorus & Royal Philharmonic Orchestra
- English Chamber Orchestra, José Van Dam, Leopold Hager, Ensemble Orchestral de Paris & Jean Pierre Wallez