XMLNode* before = &alist ()->get_state ();
if (master->automation_playback () && master->list()) {
_list->list_merge (*master->list().get(), boost::bind (&SlavableAutomationControl::scale_automation_callback, this, _1, _2));
XMLNode* before = &alist ()->get_state ();
if (master->automation_playback () && master->list()) {
_list->list_merge (*master->list().get(), boost::bind (&SlavableAutomationControl::scale_automation_callback, this, _1, _2));