观众席上,观众都在相互交谈着;舞台上,表演者正在为演出做好调试乐器和设备的准备。指挥上台,鞠了一个躬,顿时全场鸦雀无声。他举起指挥棒,交响乐开始演奏了。所有的乐器都有不同的声音,乐器的各个部件演奏着,声音彼此混合,却又协调。如果乐器的每一个部件都是一样的,那么音乐 In the audience, the audiences are talking to each other; on the stage, the performers are preparing for the commissioning of musical instruments and equipment for the performance. The commander took office and took a sip. The audience was silent. He lifted the baton, and the symphony began to play. All instruments have different sounds. The various parts of the instrument are played, the sounds are mixed with each other, but they are coordinated. If every part of the instrument is the same, then music