+ automation_items.push_back (CheckMenuElem (_("Mute"), sigc::mem_fun (*this, &AudioTimeAxisView::update_mute_track_visibility)));
+ mute_automation_item = dynamic_cast<Gtk::CheckMenuItem*> (&automation_items.back ());
+ mute_automation_item->set_active ((!for_selection || _editor.get_selection().tracks.size() == 1) &&
+ (mute_track && string_is_affirmative (mute_track->gui_property ("visible"))));
+
+ _main_automation_menu_map[Evoral::Parameter(MuteAutomation)] = mute_automation_item;
+