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