Conversation so far:
Where was Neil Diamond born?
Diamond was born in Brooklyn, New York.
Where was Neil Diamond born and raised?
Diamond was born in Brooklyn, New York, to a Jewish family descended from Russian and Polish immigrants.
Where did Neil Diamond go to school?
In Brooklyn Diamond attended Erasmus Hall High School.
When did Neil Diamond become interested in music?
Seeing Pete Seeger perform, and watching other children singing songs that they wrote themselves, immediately effected Diamond, who became aware of the possibility of writing his own songs.
Did Neil Diamond attend college?
Diamond attended New York University.

Question: What did he major in?
Self-contained rewrite: What did Neil Diamond major in?