+/* Add a new staff to the score */
+score_staff_t *
+score_add_staff (score_t *score, score_clef_t clef);
+
+/* Add a note to a staff of the given pitch and duration.
+ *
+ * Duration values can be symbolic (SCORE_DURATION_WHOLE, _QUARTER,
+ * _EIGHTH, etc.) or numerical as simply the denominator (WHOLE=1,
+ * QUARTER=4, EIGHTH=8, etc.)
+ */
+void
+score_staff_add_note (score_staff_t *staff,
+ pitch_t pitch,
+ score_duration_t duration);
+
+/* Add a note to the score, (automatically selecting the nearest
+ * staff) */
+void
+score_add_note (score_t *score, pitch_t pitch, score_duration_t duration);
+
+/* Add a chord symbol of 'name' to a staff.
+ *
+ * For now, the chord symbols are free-form names.
+ *
+ * The chord name must be a talloc'ed string, which the returned
+ * score_chord_t will talloc_steal.
+ */
+score_chord_t *
+score_add_chord (score_staff_t *staff,
+ const char * name);
+
+/* Remove the given chord from its staff. */
+void
+score_remove_chord (score_chord_t *chord);
+
+
+/* Remove all notes from the given staff. */
+void
+score_staff_remove_notes (score_staff_t *staff);
+
+/* Remove all notes from the score. */
+void
+score_remove_notes (score_t *score);
+
+/* Draw the given score_t onto the given cairo_t.
+ *
+ * The caller can call cairo_translate before calling score_draw to
+ * position the result as desired, (and can call cairo_clip to clip it
+ * if desired). */