这支管弦乐队在一位著名指挥家的执棒下进行了演出。

The orchestra performed under the direction of a famous ___conductor.

我父亲有多年担任当地合唱团指挥的经验。

My father has years of experience ___as ___a ___conductor of a local choir.

指挥家举起指挥棒，音乐随之响起。

The ___conductor raised his baton, and the music began.