+ {
+ SCM d = r->get_mus_property ("duration");
+ if (d == SCM_EOL)
+ r->origin ()->warning ("Rhythmic_req has no duration\n");
+ else
+ // *durations = gh_cons (r->get_mus_property ("duration"), *durations);
+ *durations = gh_cons (d, *durations);
+ }