音乐-八月桂花
.............\beep
.............\beep.c
.............\beep.hex
.............\beep.LST
.............\beep.M51
.............\beep.OBJ
.............\beep.Opt
.............\beep.plg
.............\beep.Uv2
.............\beep_Opt.Bak
.............\beep_Uv2.Bak
.............\STARTUP.A51
.............\STARTUP.LST
.............\STARTUP.OBJ
音乐-同一首歌（四歌可选）
.........................\fengming_2
.........................\fengming_2.c
.........................\fengming_2.hex
.........................\fengming_2.LST
.........................\fengming_2.M51
.........................\fengming_2.OBJ
.........................\fengming_2.Opt
.........................\fengming_2.plg
.........................\fengming_2.Uv2
.........................\fengming_2_Opt.Bak
.........................\fengming_2_Uv2.Bak
音乐-嘀嘀
.........\buzz
.........\buzz.c
.........\buzz.hex
.........\buzz.LST
.........\buzz.M51
.........\buzz.OBJ
.........\buzz.Opt
.........\buzz.plg
.........\buzz.Uv2
.........\buzz_Opt.Bak
.........\buzz_Uv2.Bak
.........\happy.asm
.........\happy.LST
.........\happy.OBJ
.........\STARTUP.A51
.........\STARTUP.LST
.........\STARTUP.OBJ
.........\_desktop.ini
音乐-挥舞翅膀的女孩
...................\MusicEncode.exe
...................\PlayMusic
...................\PlayMusic.c
...................\PlayMusic.hex
...................\PlayMusic.LST
...................\PlayMusic.M51
...................\PlayMusic.OBJ
...................\PlayMusic.Opt
...................\PlayMusic.plg
...................\PlayMusic.Uv2
...................\PlayMusic_Opt.Bak
...................\PlayMusic_Uv2.Bak
...................\SoundPlay.h
...................\_desktop.ini
音乐-生日快乐
.............\led
.............\led.c
.............\led.hex
.............\led.LST
.............\led.M51
.............\led.OBJ
.............\led.Opt
.............\led.plg
.............\led.Uv2
.............\led_Opt.Bak
.............\led_Uv2.Bak
.............\STARTUP.A51
.............\STARTUP.lst
.............\STARTUP.obj
音乐-祝你平安汇编
.................\music
.................\music.asm
.................\music.hex
.................\music.LST
.................\music.M51
.................\music.OBJ
.................\music.Opt
.................\music.plg
.................\music.Uv2
.................\music_Opt.Bak
.................\music_Uv2.Bak
音乐-蜂鸣器测试
...............\led
...............\led.c
...............\led.hex
...............\led.LST
...............\led.M51
...............\led.OBJ
...............\led.Opt
...............\led.plg
...............\led.Uv2
...............\led_Opt.Bak
...............\led_Uv2.Bak