by Giuseppe Adami; Juan Pons; Teresa Stratas; Plácido Domingo; Charles Anthony; Federico Davia; Florence Quivar; Philip Creech; Yvonne Gonzales; Tony Stevenson, tenor.; Luciano Pavarotti; Kenn Chester; Dwayne Croft; John Hanriot; Glenn Bater; James Levine; Fabrizio Melano; David Reppa; Gil Wechsler; Franco Zeffirelli; Brian Large; Jay David Saks; Giacomo Puccini; Ruggiero Leoncavallo; Metropolitan Opera (New York, N.Y.); Deutsche Grammophon (Firm);