- NBC Symphony Orchestra, Herva Nelli, Eva Gustavson, Arturo Toscanini, Giuseppe Valdengo, Richard Tucker
- Norman Scott, Marie Janger, Giorgio Tozzi, Carlo Bergonzi, Frank Guarrera, Ezio Flagello, Robert Nagy, Zinka Milanov, The Metropolitan Opera Orchestra, Dimitri Mitropoulos
- Chorus of Teatro Colon, Richard Tucker, Mario Verazzi, Mignon Dunn, Ruzena Horakova, Norman Scott, Giulio Viamonte, Orchestra of the Teatro Cólon, Victorio Bacciato, Fernando Previtali, Virgilio Tavini, Gré Brouwenstijn, Aldo Protti, Guerrino Boschetti
- Orchestra del Teatro La Fenice di Venezia, Gertrud Grob-Prandl, Norman Scott, Franco Capuana, Renata Ferrari-Ongara, Antonio Spruzzola-Zola
- Gabor Carelli, Fausto Cleva, Madelaine Chambers, The Metropolitan Opera Orchestra, Mildred Allen, Calvin Marsh, George Cehanovsky, Leonard Warren, William Wilderman, Roberta Peters, Eugenio Fernandi, Norman Scott, Thelma Votipka, Margaret Roggero, Louis Sgarro
- Aldo Protti, Lucille Udovich, Flaviano Labò, Mignon Dunn, Luisa Bartoletti, Italo Pasini, Norman Scott, Tullio Gagliardo, Carlo Felice Cillario
- Hermann Prey, Marko Rothmüller, Leonie Rysanek, Hans Hopf, Robert Nagy, Paul Franke, The Metropolitan Opera Orchestra, Irene Dalis, Georg Solti, Norman Scott, Mildred Allen
- Spring ISD Elementary Honor Choir, Scott Sidway, Katie Phillips, Norman Scott, Ryuan Gilbert, Kathy Chiles, Micah Bell, Crowley ISD Elementary Honor Choir, Laura Mills, Reggie Cook, Brian Youngblood, Loren Laing, Kellie Bahner, Linda Sue Hundley