蜂鸣器奏乐刘德华《练习》，根据不同的单片机可以调整延时。8952单片机不能执行程序，但将数组的xdata改为code可以演奏一小段。需要高级一点的单片机。在不同的开发板上运行的效果有差异。-Buzzer music to Andy, " practicing" , depending on the chip can be adjusted delay. 8952 microcontroller can execute the program, but will be replaced by code xdata array can play short. Require senior point microcontrollers. The development board running at different effects are different.