maestro di cappella
/ˈmʌɪstrəʊ diː kəˈpɛlə/Music
noun
In Italy: the chief musician at a chapel; a choirmaster.
Origin
Early 18th century; earliest use found in Short Explication of Foreign Words in Musick Books. From Italian maestro di cappella, lit. ‘master of the chapel’ from maestro + di of + cappella; compare kapellmeister.