Rene Fournets, Franz Pacal, Leopold Demuth, Les Troubadors Toulousains, W.A. Fransella, Paul Daraux, Giovanni Apostulo, Theodor Bertram, Edith Clegg, Irene Abendroth, Annie Dirkens, Louise Kirkby Lunn, Kate Cove, Gabriel Soulacroix, Fraulein Vroni Eidner, Hermann Winkelmann, Studio Pianist, Ellen Beach Yaw, Desire Pauwels, Caro Roma, Ferruccio Giannini, A. Del Campo, Edna May, Selma Kurz, Joseph O'Mara, Felix Asch, Marie Tempest
