band chart

例句：

1. 1. The band leader carefully plotted the course of their performance.
   乐队领队仔细规划了他们的表演路线。
2. 2. The musician used a band chart to organize his songs for the concert.
   这位音乐家使用乐队图表来组织他的音乐会歌曲。
3. 3. The composer drew a band chart to illustrate the harmony of the piece.
   作曲家绘制了一个乐队图表来说明作品的和谐。