Conversation so far:
When was James Levine born?
James Levine was born on June 23, 1943
Where was James Levine born?
James Levine was born in Cincinnati, Ohio
Which school did James Levine attend?
James Levine attended Juilliard School of Music
Where was James Levine's school located?
Juilliard School of Music is located in New York City
Does James Levine have a bachelor's degree or master's
James Levine has a bachelor's degree from Juilliard

Question: what did he study in school
Self-contained rewrite: What did James Levine study in school?