According to the biography contained in the program booklet for the 1997 memorial concert in her honor in DeKalb, Illinois, she made her formal debut in Moscow in 1923 and left the Soviet Union in 1925. She lived and performed in Europe, and gave her first performance in New York City in 1935.
The biography in the program booklet for a 1997 memorial concert honoring her in DeKalb, Illinois, describes her formal debut in Moscow in 1923, her departure from the Soviet Union in 1925, her life and performances in Europe, and her first performance in New York City in 1935.