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