Aria from Giacomo Puccini's opera Tosca.
Al Jolson [as Avalon]
Art Hickman [idem]
Edison Bell Dance Orch. [idem]
Dave Brubeck [idem]
Duke Robillard & Herb Ellis [most as Avalon]
Ended up in a legal battle. Plagiarism was demonstrated in the courtroom on piano, violin, trumpet and with a 78 RMP disc. Jolson's company was charged $25.000.