+#include "scherzo-key.h"
+
+typedef enum score_duration
+{
+ SCORE_DURATION_WHOLE = 1,
+ SCORE_DURATION_1 = 1,
+ SCORE_DURATION_HALF = 2,
+ SCORE_DURATION_2 = 2,
+ SCORE_DURATION_QUARTER = 4,
+ SCORE_DURATION_4 = 4,
+ SCORE_DURATION_EIGHTH = 8,
+ SCORE_DURATION_8 = 8,
+ SCORE_DURATION_SIXTEENTH = 16,
+ SCORE_DURATION_16 = 16,
+ SCORE_DURATION_THIRTYSECOND = 32,
+ SCORE_DURATION_32 = 32,
+ SCORE_DURATION_SIXTYFOURTH = 64,
+ SCORE_DURATION_64 = 64,
+ SCORE_DURATION_ONEHUNDREDTWENTYEIGHTH = 128,
+ SCORE_DURATION_128 = 128
+} score_duration_t;
+
+#define SCORE_BUILD_NOTE(pitch, octave, duration) SCORE_PITCH_##pitch, (octave), SCORE_DURATION_##duration
+
+typedef struct score score_t;
+typedef struct score_staff score_staff_t;
+
+typedef struct score_chord