本程序能完整演奏一首乐曲，演奏的重复次数可以控制，由键盘输入控制值。按“Q”键退出。

使用说明：

打开可执行文件，界面提示音乐的名称，并且询问需要演奏多少次

然后键盘输入演奏的次数，如果输入的是数字以外的字符，则显示错误，重新输入

如果输入的是数字，则开始演奏，如果输入的是q，则退出程序-This procedure can complete a music concert, playing repetition can be controlled from the keyboard input control value. By　Q　to exit. Usage: Open the executable file, the interface prompts the name of music and asked how many times the need to play and then playing the number of keyboard input, if the input is the number of characters outside, it shows an error, re-enter if you enter the figures, has begun to recital, if you type is q, has withdrawn from the process