_session->RecordStateChanged.connect (_session_connections, MISSING_INVALIDATOR, boost::bind (&ARDOUR_UI::record_state_changed, this), gui_context());
_session->StepEditStatusChange.connect (_session_connections, MISSING_INVALIDATOR, boost::bind (&ARDOUR_UI::step_edit_status_change, this, _1), gui_context());
_session->TransportStateChange.connect (_session_connections, MISSING_INVALIDATOR, boost::bind (&ARDOUR_UI::map_transport_state, this), gui_context());
_session->RecordStateChanged.connect (_session_connections, MISSING_INVALIDATOR, boost::bind (&ARDOUR_UI::record_state_changed, this), gui_context());
_session->StepEditStatusChange.connect (_session_connections, MISSING_INVALIDATOR, boost::bind (&ARDOUR_UI::step_edit_status_change, this, _1), gui_context());
_session->TransportStateChange.connect (_session_connections, MISSING_INVALIDATOR, boost::bind (&ARDOUR_UI::map_transport_state, this), gui_context());