基于51单片机，在keil环境下实现的音乐播放程序，可以播放《挥着翅膀的女孩》、《同一首歌》、《两只蝴蝶》-Based on 51 single-chip, in the implementation environment keil music player, can play, " the girls waved their wings," " Same Song" , " Butterfly 2"