Conversation so far:
What happened in Samuel's early years?
Barber was born in West Chester, Pennsylvania.
Did he receive any formal education?
When he was 14, he entered the Curtis Institute of Music in Philadelphia.
What happened when he was enroled in the institute?
where he studied piano with Isabelle Vengerova, composition with Rosario Scalero and George Frederick Boyle.
Did he received any further education after the institute?
voice with Emilio de Gogorza.
He began composing seriously in his late teenage years.

Question: Did he compose anything noteworthy during those years?
Self-contained rewrite: Did Samuel Barber compose anything noteworthy during his teenage years?