Conversation so far:
Where was Neil Diamond born?
Brooklyn, New York.
Where was he born?
Diamond was born in Brooklyn, New York, to a Jewish family descended from Russian and Polish immigrants.
Where did he go to school?
attended Erasmus Hall High School and was a member of the Freshman Chorus and Choral Club, along with classmate Barbra Streisand.

Question: When did he become interested in music?
Self-contained rewrite: When did Neil Diamond become interested in music?