Más de Alma Gluck
- Landon Ronald, Adelina Patti, Studio Pianist, Alfredo Barili & Marianne Eissler
- Alessandro Bonci, Giuseppe Anselmi, Lina Cavalieri, John McCormack, Rosa Ponselle, Giovanni Zentella, Maria Sammarca, Ferdinand Ansseaau, Mattia Battistini, Claudia Muzio, Enrico Caruso, Elisabeth Rethberg, Richard Tauber, Rosa Raisa, Aureliano Pertile, Emmy Destinn, Alfred Piccaver, Florence Easton, Antonio Cortis, Dmitri Smirnov, Anne Roselle & Giovanni Martinelli
- Varios Artistas
- Helmut Froschauer, Jörg Dürmüller, Franz Hawlata, Andrea Bonig, Alfred Šramek, Wolfgang Bankl, Hermann Godland, Juliane Banse, Heinz Zednik, Dietrich Henschel, North Rhine Westfalia State Youth Choir, Regina Klepper & Cologne West German Radio Orchestra
- Boris Christoff
- Marian Anderson, Franz Rupp, Robert Shaw, Victor Sinfonietta, Charles O'Connell & Victor Symphony Orchestra