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