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