maestro
n
(pl ~s or maestri ) (with a capital letter when followed by a name 後接名字时其首字母需大写) (title given to a) master in the arts, esp a great musical composer, conductor or teacher (艺术)大师(尤用以称作曲家、 指挥家或音乐教师)
Maestro Giulini 指挥家朱利尼大师
the maestri of the seventeenth century 十七世纪的音乐大师.