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