用C语言编写的钢琴，可以自己演奏，也可以播放自己编写的音乐文件。后者是自己编写歌曲文件，应用程序通过读取该文件，能播放音乐。是一种简单的音乐播放器的模型。-C language of the piano, their performances can also be prepared by the broadcast their music files. The latter song is its own document preparation, application procedures