Conversation so far:
Where did Dominick Argento grow up?
Pennsylvania.
Did he go to college?
He earned bachelor's.
Where did he go to college?
Peabody.
What did he do after he graduated from college?
Weisgall's Hilltop Musical Company.
What was his job?
he was briefly the music director.
Did he study anyplace else during this time?
spent a year in Florence on a scholarship of the U.S.-Italy Fulbright Commission.
Did he continue his education after college?
he studied briefly with Luigi Dallapiccola.
Did he study anyplace else?
graduate studies and received his Ph.D.

Question: where did he receive his PHD from?
Self-contained rewrite: Where did Luigi Dallapiccola receive his PHD from?