- Barry Morell, Kurt Herbert Adler, Joan Wall, Lou Marcella, Teresa Stratas, George Cehanovsky, Gabor Carelli, John Trehy, The Metropolitan Opera Orchestra, Louis Sgarro, Anna Moffo, Robert Merrill, Calvin Marsh
- Lajos Kozma, Tom Krause, Anneliese Rothenberger, State Orchestra of Vienna, Vienna State Choir, Seiji Ozawa