- Mildred Allen, Leonard Warren, William Wilderman, Margaret Roggero, George Cehanovsky, Thelma Votipka, Gabor Carelli, Louis Sgarro, Roberta Peters, Eugenio Fernandi, Norman Scott, The Metropolitan Opera Orchestra, Fausto Cleva, Madelaine Chambers, Calvin Marsh
- Anna Moffo, Robert Merrill, Kurt Herbert Adler, Barry Morell, George Cehanovsky, Lou Marcella, Teresa Stratas, Louis Sgarro, The Metropolitan Opera Orchestra, Calvin Marsh, Joan Wall, John Trehy, Gabor Carelli
- Corale Robert Shaw, Herva Nelli, Arturo Toscanini, Giuseppe Valdengo, Frank Guarrera, NBC Symphony Orchestra