Disc 1
Disc 2
- Beniamino Gigli, Gino Bechi, Maria Caniglia & Oliviero de Fabritiis
- Hipolito Lazaro, Rosa Ponselle, Jose Mardones, Enrico Caruso, Pasquale Amato, Fernando De Lucia, Mattia Battistini, Claudia Muzio, Francesco Tamagno, Rolando Panerai, Helge Roswange, Celestina Boninsegna, Titta Ruffo, Leon Escalais, Lawrence Tibbett, Giovanni Zenatello, Alfred Piccaver, Aureliano Pertile & Giuseppe Anselmi
- Francis Lapitino, Josef A. Pasternack, Rosa Ponselle, Rosario Bourdon & Studio Orchestra
- Adelina Patti, Mattia Battistini, Fernando De Lucia, Emma Eames, Augusto Dianni, Luisa Tetrazzini, Charles Dalmores, Enrico Caruso, Giuseppe Anselmi, John McCormack, Sydney Coltham, Alfred Piccaver, Dusolina Giannini, Rosa Ponselle, Richard Tauber & Tom Burke
- Jussi Björling, Maggie Teyte, Enrico Caruso, Rosa Ponselle, Nellie Melba, Kathleen Ferrier, Jennie Tourel, Richard Tauber, Ferruccio Tagliavini, Pia Tassinari, Beniamino Gigli, Kirsten Flagstad, Licia Albanese, Giuseppe di Stefano, Elisabeth Schumann, Set Svanholm, Feodor Chaliapin, Lotte Lehmann, Erna Berger, Frida Leider, Lauritz Melchior, Ezio Pinza & Renata Tebaldi