+SCM
+Repeated_music::folded_music_length (SCM m)
+{
+ Repeated_music* r = dynamic_cast<Repeated_music*> (unsmob_music (m));
+
+ Moment l = r->body_get_length () + r->alternatives_get_length (true);
+ return l.smobbed_copy ();
+}
+
+SCM
+Repeated_music::volta_music_length (SCM m)
+{
+ Repeated_music* r = dynamic_cast<Repeated_music*> (unsmob_music (m));
+ Moment l = r->body_get_length () + r->alternatives_volta_get_length ();
+ return l.smobbed_copy ();
+}
+
+ADD_MUSIC (Repeated_music);
+
+Repeated_music::Repeated_music ()
+ : Music ()
+{
+}
+
+
+MAKE_SCHEME_CALLBACK (Repeated_music,minimum_start, 1);
+MAKE_SCHEME_CALLBACK (Repeated_music,first_start, 1);
+
+SCM
+Repeated_music::minimum_start (SCM m)
+{
+ Music * me = unsmob_music (m);
+ Music * body = unsmob_music (me->get_mus_property ("element"));
+
+ if (body)
+ return body->start_mom ().smobbed_copy();
+ else
+ {
+ return Music_sequence::minimum_start (me->get_mus_property ("elements")).smobbed_copy();
+ }
+}
+
+SCM
+Repeated_music::first_start (SCM m)
+{
+ Music * me = unsmob_music (m);
+ Music * body = unsmob_music (me->get_mus_property ("element"));
+
+ Moment rv = (body) ? body->start_mom () :
+ Music_sequence::first_start (me->get_mus_property ("elements"));