The DMUS_IO_SEGMENT_HEADER structure contains information about a segment. It is used in the Segment Form.
typedef struct _DMUS_IO_SEGMENT_HEADER {
    DWORD       dwRepeats;
    MUSIC_TIME  mtLength;
    MUSIC_TIME  mtPlayStart;
    MUSIC_TIME  mtLoopStart;
    MUSIC_TIME  mtLoopEnd;
    DWORD       dwResolution;
} DMUS_IO_SEGMENT_HEADER;
   Windows NT/2000: Requires Windows 2000.
  Windows 95/98: Requires Windows 95 or later. Available as a redistributable for Windows 95.
  Header: Declared in dmusicf.h.