if (heads.is_empty () || heads.length () < 0.5)
{
- programming_error ("no heads for arpeggio found?");
- me->suicide ();
+ if (!to_boolean (me->get_property ("transparent")))
+ {
+ me->warning ("no heads for arpeggio found?");
+ me->suicide ();
+ }
return SCM_EOL;
}