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