Maria Marlo, Leon Lishner, Studio Orchestra, Rolando Panerai, George Jongyans, Lehman Engel, Marie Powers, Margherita Carosio, Nino Sanzogno, Enrico Campi, Patricia Neway, Andrew McKinley, Lydia Summers, Coro del Teatro alla Scala di Milano, Cornell MacNeil, Maria Amadini, Studio Chorus, Elena Mazzoni, Mabel Mercer, Maria Andreassi, Gloria Lane, Silvana Zanolli, Francis Monachino, Giacinto Prandelli, Milan La Scala Orchestra
Inez Matthews, Lawrence Winters, Lehman Engel, Avon Long, Camilla Williams, Warren Coleman
