Conversation so far:
Where did Dominick Argento grow up?
Argento grew up in York, Pennsylvania.
Did Dominick Argento go to college?
Following the war and using funding from the G.I. Bill, he began studying piano performance at the Peabody Conservatory in Baltimore
Where did Dominick Argento go to college?
He earned bachelor's (1951) and master's (1953) degrees from Peabody, where his teachers included Nicolas Nabokov, Henry Cowell, and Hugo Weisgall.
What did Dominick Argento do after he graduated from Peabody Conservatory?
While there, he was briefly the music director of the Hilltop Musical Company, which Weisgall founded as a sort of answer to Benjamin Britten's festival at Aldeburgh
What was Dominick Argento's job?
Following completion of this degree, he received a Guggenheim Fellowship to study/work for another year in Florence. He established a tradition of spending long periods of time in that city.
Did Dominick Argento study anyplace else other than the Peabody Conservatory and Eastman School of Music during this time?
he also spent a year in Florence on a scholarship of the U.S.-Italy Fulbright Commission
Did Dominick Argento continue his education after college?
Argento continued graduate studies and received his Ph.D. from the Eastman School of Music
Did Dominick Argento study anyplace else after his Ph.D.?
Following completion of this degree, he received a Guggenheim Fellowship to study/work for another year in Florence

Question: where did he receive his PHD from?
Self-contained rewrite: where did Dominick Argento receive his PHD from?