Conversation so far:
How did Jascha Heifetz's career start?
On October 27, 1917, Heifetz played for the first time in the United States, at Carnegie Hall in New York, and became an immediate sensation
Did Jascha Heifetz ever release an album?
Jascha Heifetz was a prolific recording artist. All of his recordings have been reissued on compact disc
Did Jascha Heifetz ever release music?
Jascha Heifetz was a prolific recording artist. All of his recordings have been reissued on compact disc

Question: Did he ever retire?
Self-contained rewrite: Did Jascha Heifetz ever retire?