diff --git a/libs/temporal/temporal/tempo.h b/libs/temporal/temporal/tempo.h
index 5d2a7a5918..1124e69ae5 100644
--- a/libs/temporal/temporal/tempo.h
+++ b/libs/temporal/temporal/tempo.h
@@ -1092,6 +1092,7 @@ class /*LIBTEMPORAL_API*/ TempoMap : public PBD::StatefulDestructible
 		   will all be the non-const versions of these methods.
 		*/
 
+		if (_tempos.size() == 1 && _meters.size() == 1) { t = &_tempos.front(); m = &_meters.front();  return _points.end(); }
 		return _get_tempo_and_meter<non_const_traits<superclock_t, superclock_t> > (t, m, &Point::sclock, sc, _points.begin(), _points.end(), &_tempos.front(), &_meters.front(), can_match, ret_iterator_after_not_at);
 	}
 
@@ -1100,9 +1101,11 @@ class /*LIBTEMPORAL_API*/ TempoMap : public PBD::StatefulDestructible
 	 */
 
 	Points::const_iterator  get_tempo_and_meter (TempoPoint const *& t, MeterPoint const *& m, superclock_t sc, bool can_match, bool ret_iterator_after_not_at) const {
+		if (_tempos.size() == 1 && _meters.size() == 1) { t = &_tempos.front(); m = &_meters.front();  return _points.end(); }
 		return _get_tempo_and_meter<const_traits<superclock_t, superclock_t> > (t, m, &Point::sclock, sc, _points.begin(), _points.end(), &_tempos.front(), &_meters.front(), can_match, ret_iterator_after_not_at);
 	}
 	Points::const_iterator  get_tempo_and_meter (TempoPoint const *& t, MeterPoint const *& m, Beats const & b, bool can_match, bool ret_iterator_after_not_at) const {
+		if (_tempos.size() == 1 && _meters.size() == 1) { t = &_tempos.front(); m = &_meters.front();  return _points.end(); }
 		return _get_tempo_and_meter<const_traits<Beats const &, Beats> > (t, m, &Point::beats, b, _points.begin(), _points.end(), &_tempos.front(), &_meters.front(), can_match, ret_iterator_after_not_at);
 	}
 	Points::const_iterator  get_tempo_and_meter (TempoPoint const *& t, MeterPoint const *& m, timepos_t const & pos, bool can_match, bool ret_iterator_after_not_at) const {