Alexander Davydov, David Juzhin, K. Czosnowska, Catherine Mastio, Rosalia Chalia, Jean Martapoura, Stanislaw Bogucki, L.N. Bragina, Gavriil Morskoj, Maria Emskaya, M.A. Max, Nikolaj Seversky, Janina Korolewicz-Wayda, Erich Hunold, Julius Bochnicek, Desider Aranyi, Andrei Labinsky, Joachim Tartakov, Adamo Didur, Studio Pianist