Config->ParameterChanged.connect (_session_connections, invalidator (*this), boost::bind (&AudioClock::session_configuration_changed, this, _1), gui_context());
_session->config.ParameterChanged.connect (_session_connections, invalidator (*this), boost::bind (&AudioClock::session_configuration_changed, this, _1), gui_context());
_session->tempo_map().PropertyChanged.connect (_session_connections, invalidator (*this), boost::bind (&AudioClock::session_property_changed, this, _1), gui_context());
Config->ParameterChanged.connect (_session_connections, invalidator (*this), boost::bind (&AudioClock::session_configuration_changed, this, _1), gui_context());
_session->config.ParameterChanged.connect (_session_connections, invalidator (*this), boost::bind (&AudioClock::session_configuration_changed, this, _1), gui_context());
_session->tempo_map().PropertyChanged.connect (_session_connections, invalidator (*this), boost::bind (&AudioClock::session_property_changed, this, _1), gui_context());