+ _route->mute_changed.connect (mem_fun(*this, &RouteUI::mute_changed));
+ _route->solo_changed.connect (mem_fun(*this, &RouteUI::solo_changed));
+ _route->solo_safe_changed.connect (mem_fun(*this, &RouteUI::solo_changed));
+
+ update_solo_display ();
+ update_mute_display ();