mciSendString("close mymusic", NULL, 0, NULL);//关闭之前的音乐

mciSendString("open music\\take me higher.mp3 alias mymusic", NULL, 0, NULL);// 打开音乐

mciSendString("setaudio mymusic volume to 500",NULL,0,NULL);//设置音量大小

mciSendString("play mymusic", NULL, 0, NULL);//开始音乐

mciSendString("play mymusic repeat", NULL, 0, NULL);