+ music_iter_ = unsmob_iterator (get_iterator (m->get_music ()));
+ lyric_iter_ = unsmob_iterator (get_iterator (m->get_lyrics ()));
+}
+
+bool
+Lyric_combine_music_iterator::get_busy_status () const
+{
+ /*
+ We have to use both the request and the busyGrobs queue. The
+ busyGrobs queue doesn't contain any notes that have started this
+ instant. */
+ if (try_music (busy_req))
+ return true;
+
+ Translator_group * tr = music_iter_->report_to ();
+
+ SCM grobs = tr->get_property ("busyGrobs");
+ Moment now = tr->now_mom();
+ for (; gh_pair_p (grobs); grobs = gh_cdr (grobs))
+ {
+ SCM grob = gh_cdar (grobs);
+ Moment end =*unsmob_moment (gh_caar (grobs));
+
+
+ /*
+ This is slightly ugh: we are now confunding the frontend
+ (iterators) and the backend (note heads) */
+ if (end > now
+ && Note_head::has_interface (unsmob_grob (grob)))
+ return true;
+ }
+
+ return false;