这场音乐会的前奏曲是整场演出的完美开场。

The short ___prelude was a perfect opening for the entire concert.

音乐会上，小提琴手先演奏了一段前奏曲，然后整个乐团才开始表演。

The violinist played a short ___prelude before the orchestra started their performance.

这场小型音乐会是为下周大型演出做铺垫的。

The small concert served as a ___prelude to the big show next week.