There were many advertisements during early 1900's promoting the realism of the talking machine.
In 1908 The Victor Talking Machine Company began an advertising campaign which directly asked the question: Can you really tell the difference between the actual performer and the Victor record, with "Which is which?" graphically positioned between an artist and a Victor machine.
Madame Melba, 1908
Enrico Caruso, 1908
Antonio Scotti, 1908
Marcella Sembrich, 1908
Geraldine Farrar, Colliers, 1908
1947 Is is Frank Sinatra or the Record? "This Columbia Record is more me than me!"
"Say, which one am I?" cried Frank Sinatra. "This Columbia Record is more me than me!" Columbia Records, 1947