new file mode 100644
--- /dev/null
+++ b/music2/music.h
@@ -0,0 +1,59 @@
+#ifndef __MUSIC__ /* __MUSIC__ */
+#define __MUSIC__
+
+#ifdef HAVE_CONFIG_H
+#  include "config.h"
+#endif
+
+#include<sys/types.h>
+#include<sys/time.h>
+
+#define MIX_PCM_BGM	4
+#define MIX_PCM_EFFEC	5
+#define MIX_PCM_KOE	6
+#define MIX_PCM_SIZE	8
+
+#define DEFAULT_AUDIOBUF	4096
+
+enum KoeType { koe_unknown, koe_nwk, koe_ovk};
+typedef struct {
+	FILE* stream;
+	int length;
+	int offset;
+	int rate;
+	KoeType type;
+}AvgKoeInfo;
+
+extern int pcm_enable;
+
+/* koedec.cc */
+extern AvgKoeInfo OpenKoeFile(const char* path);
+extern char* decode_koe(AvgKoeInfo info, int* len);
+extern char* decode_koe_nwa(AvgKoeInfo info, int* len);
+extern const char* MakeWavHeader(int rate, int ch, int bps, int size);
+extern AvgKoeInfo FindKoe(int file_number, int index);
+
+#include<unistd.h>
+struct MuSys {
+	class AyuSysConfig& config;
+	char cdrom_track[128]; char effec_track[128];
+	int movie_id;
+	int music_enable;
+	MuSys(AyuSysConfig& _config);
+
+	void PlayCDROM(char* name, int play_count);
+	void StopCDROM(int time);
+	void PlaySE(const char* name, int loop_flag=0, int channel=0);
+	void PlaySE(int number);
+	void StopSE(int time = 0);
+	bool IsStopSE(void);
+	void PlayKoe(const char* fname);
+	void StopKoe(int time);
+	void PlayMovie(const char* fname, int x1, int y1, int x2, int y2, int loop_count);
+	void StopMovie(void);
+	bool IsStopMovie(void);
+	void InitMusic(void);
+	void FinalizeMusic(void);
+};
+
+#endif /* __MUSIC__ */