diff --git a/libs/ardour/ardour/region.h b/libs/ardour/ardour/region.h
index abfe9c1b07..ea0f9cd248 100644
--- a/libs/ardour/ardour/region.h
+++ b/libs/ardour/ardour/region.h
@@ -545,7 +545,9 @@ public:
 	}
 
 	Temporal::Tempo tempo() const { return _tempo; }
+	void set_tempo (Temporal::Tempo const &);
 	Temporal::Meter meter() const { return _meter; }
+	void set_meter (Temporal::Meter const &);
 
 protected:
 	virtual XMLNode& state () const;
diff --git a/libs/ardour/region.cc b/libs/ardour/region.cc
index 6da010e635..1fbdf5b5f1 100644
--- a/libs/ardour/region.cc
+++ b/libs/ardour/region.cc
@@ -2508,3 +2508,21 @@ Region::fx_tail_changed (bool)
 	}
 	_fx_tail = t;
 }
+
+void
+Region::set_tempo (Temporal::Tempo const & t)
+{
+	if (_tempo != t) {
+		_tempo = t;
+		send_change (Properties::region_tempo);
+	}
+}
+
+void
+Region::set_meter (Temporal::Meter const & m)
+{
+	if (_meter != m) {
+		_meter = m;
+		send_change (Properties::region_meter);
+	}
+}