About Anna Mackay (Case)
Anna Case (1888 October 29 – 1984 January 7) was an American soprano. She recorded with Thomas Alva Edison, who used her voice extensively in "tone tests" of whether a live audience could tell the difference between the actual singer and a recording. She also made recordings for Diamond Records, RCA Victor, Vitaphone, and Columbia Records.
She was born on October 29, 1888 in Clinton, New Jersey.
She sang in the American premiere of Boris Gudonov in 1913 at the Metropolitan Opera.
In 1930, before retiring in the same year, she recorded "Just Awearyin' for You" by Frank Lebby Stanton and Carrie Jacobs-Bond.
In 1931 she married ITT Corporation executive Clarence Mackay.
She died on January 7, 1984 in New York City and left her 167.97-carat (33.59 g) Colombian emerald ring and Boucheron necklace to the Smithsonian Institution.