Leonid Sobinov Leonid Sobinov Leonid Sobinov Leonid Sobinov Leonid Sobinov Dmitri Smirnov Feodor Chaliapin Reta Walter & Adolf Hesse Alfred Von Bary Geraldine Farrar Geraldine Farrar Geraldine Farrar Geraldine Farrar Charles Santley Charles Santley Charles Santley Charles Santley Ben Davies Ben Davies Ben Davies Ben Davies Adelina Patti Adelina Patti Lily Pons Lily Pons Gemma Bellincioni Gemma Bellincioni Lina Cavaleiri Lina Cavaleiri Ada Crossley Ada Crossley Ada Crossley Clara Butt Ada Crossley Clara Butt Clara Butt Clara Butt & Kennerley Rumford Clara Butt & Kennerley Rumford Clara Butt & Kennerley Rumford Clara Butt & Kennerley Rumford Clara Butt Nellie Melba Nellie Melba Nellie Melba Nellie Melba