Alma Gluck ( May 11 , 1884October 27 , 1938 ) was a Romanian-born American soprano , one of the world 's most famous female singers at the peak of her career ( circa 1910 ) .
Alma Gluck ( May 11 , 1884 -- October 27 , 1938 ) was a Romanian-American soprano . She was one of the world 's most famous female singers at the peak of her career ( circa 1910 ) .