The article dissertated the transpositional playing of the transposition instruments in the orchestra score from different aspects, and expatiated the basic law and method on transpositional playing.

文章从不同的侧面论述了乐队总谱中移调乐器声部的移调弹奏问题，阐述了移调弹奏的基本规律和方法。

youdao

He is the one who stands up and plays the a, so the rest of the orchestra can tune their instruments to him, and then the conductor comes on.

他会站起来演奏A调，这样乐队的其他演奏家就能根据他来调音，指挥也随之开始。

youdao

Much like an orchestra of many variant instruments, one species plays the flute section, and the other the violins, others the clarinet, trumpet, base, piano and so one.

就象由许多不同乐器所组成的乐队，有一个物种演奏长笛部分，另一个物种演奏小提琴部分，还有其它物种演奏竖笛、小号、贝司、钢琴等等。

youdao

The music in the concert showcased the different instruments of the orchestra, and demonstrated musical concepts including pitch, tempo and dynamics.

BBC: Wales

In the 1600s, however, opera composers began including trumpets among the instruments of the orchestra, where they were often paired with kettledrums (timpani) to provide festive or martial effects.

NPR: Young Tuba Player Gets Nod from Phila. Orchestra