+ Music *percent = make_music_by_name (ly_symbol2scm (event_type.c_str ()));
+ percent->set_spot (*mus->origin ());
+ percent->set_property ("length", length);
+ if (repeats > 1)
+ {
+ percent->set_property ("repeat-count", scm_from_int (i));
+ if (event_type == "RepeatSlashEvent")
+ percent->set_property ("slash-count", slash_count);
+ }