- David Tree, Michael Langdon, Forbes Robinson, Noreen Berry, Giangiacomo Guelfi, Orchestra of the Royal Opera House, Rhydderch Davies, Ronald Lewis, Zinka Milanov, Sir Alexander Gibson, Franco Corelli
- Norman Scott, Marie Janger, Dimitri Mitropoulos, Giorgio Tozzi, Frank Guarrera, Ezio Flagello, Zinka Milanov, The Metropolitan Opera Orchestra, Carlo Bergonzi, Robert Nagy
- New Orleans Opera House Association Orchestra, Zinka Milanov, Walter Herbert, Mario del Monaco, New Orleans Opera House Association Chorus, William Wildermann, Claramae Turner, Gerhard Pechner, Leonard Warren, Norman Treigle