Margaretha "Greta" Keller was born on February 8, 1903, in Vienna, Austria, and
was a chanson singer. She began her career with dance training at age eight,
followed by acting, making her debut in the Pavillon in Vienna. In 1929, she
signed a recording contract with Ultraphon, leading to performances in Prague
and Berlin. Over the next four decades, Keller's voice became globally
recognized through various media. She appeared in several films, including The
Man in Search of His Murderer (1931) and Cabaret (1972), where her voice was
featured singing "Heirat". Notable albums inclu...