+MAKE_SCHEME_CALLBACK (Repeated_music, unfolded_music_length, 1);
+
+SCM
+Repeated_music::unfolded_music_length (SCM m)
+{
+ Music *me = unsmob_music (m);
+
+ Moment l = Moment (repeat_count (me)) * body_get_length (me) + alternatives_get_length (me, false);
+ return l.smobbed_copy ();
+}
+
+MAKE_SCHEME_CALLBACK (Repeated_music, folded_music_length, 1);
+SCM
+Repeated_music::folded_music_length (SCM m)
+{
+ Music *me = unsmob_music (m);
+
+ Moment l = body_get_length (me) + alternatives_get_length (me, true);
+ return l.smobbed_copy ();
+}
+
+int
+Repeated_music::repeat_count (Music *me)
+{
+ return scm_to_int (me->get_property ("repeat-count"));
+}
+
+MAKE_SCHEME_CALLBACK (Repeated_music, volta_music_length, 1);
+SCM
+Repeated_music::volta_music_length (SCM m)
+{
+ Music *me = unsmob_music (m);
+ Moment l = body_get_length (me) + alternatives_volta_get_length (me);
+ return l.smobbed_copy ();
+}
+
+MAKE_SCHEME_CALLBACK (Repeated_music, minimum_start, 1);
+SCM
+Repeated_music::minimum_start (SCM m)
+{
+ Music *me = unsmob_music (m);
+ Music *body = unsmob_music (me->get_property ("element"));
+
+ if (body)
+ return body->start_mom ().smobbed_copy ();
+ else
+ return Music_sequence::minimum_start (me->get_property ("elements")).smobbed_copy ();
+}
+
+MAKE_SCHEME_CALLBACK (Repeated_music, first_start, 1);
+SCM
+Repeated_music::first_start (SCM m)
+{
+ Music *me = unsmob_music (m);
+ Music *body = unsmob_music (me->get_property ("element"));
+
+ Moment rv = (body) ? body->start_mom ()
+ : Music_sequence::first_start (me->get_property ("elements"));
+
+ return rv.smobbed_copy ();
+}