4.2.5(演奏音乐)\music ...............\music.hex ...............\music.M51 ...............\music.Opt ...............\music.plg ...............\music.Uv2 ...............\music_Uv2.Bak ...............\myMusic.c ...............\myMusic.LST ...............\myMusic.OBJ ...............\PlayMusic.DSN ...............\yf.h ...............\怀念战友.jpg ...............\梁祝.gif ...............\雁南飞.gif ...............\音阶频率对照表.xls 4.2.5(演奏音乐)