diff --git a/gtk2_ardour/editing_context.h b/gtk2_ardour/editing_context.h
index d3a7aef102..41c8d5ea14 100644
--- a/gtk2_ardour/editing_context.h
+++ b/gtk2_ardour/editing_context.h
@@ -275,7 +275,7 @@ class EditingContext : public ARDOUR::SessionHandlePtr, public AxisViewProvider,
 	virtual bool canvas_control_point_event (GdkEvent* event, ArdourCanvas::Item*, ControlPoint*) = 0;
 	virtual bool canvas_cue_start_event (GdkEvent* event, ArdourCanvas::Item*) { return true; }
 	virtual bool canvas_cue_end_event (GdkEvent* event, ArdourCanvas::Item*) { return true; }
-	virtual bool canvas_bg_event (GdkEvent* event, ArdourCanvas::Item*) { return true; }
+	virtual bool canvas_bg_event (GdkEvent* event, ArdourCanvas::Item*) = 0;
 
 	Temporal::Beats get_grid_type_as_beats (bool& success, Temporal::timepos_t const & position) const;
 	Temporal::Beats get_draw_length_as_beats (bool& success, Temporal::timepos_t const & position) const;
diff --git a/gtk2_ardour/editor.h b/gtk2_ardour/editor.h
index 36144bbf47..fd3f66108c 100644
--- a/gtk2_ardour/editor.h
+++ b/gtk2_ardour/editor.h
@@ -1536,6 +1536,7 @@ private:
 	bool canvas_bbt_marker_event (GdkEvent* event,ArdourCanvas::Item*, BBTMarker*);
 	bool canvas_automation_track_event(GdkEvent* event, ArdourCanvas::Item*, AutomationTimeAxisView*);
 	bool canvas_note_event (GdkEvent* event, ArdourCanvas::Item*);
+	bool canvas_bg_event (GdkEvent* event, ArdourCanvas::Item*);
 
 	bool canvas_ruler_event (GdkEvent* event, ArdourCanvas::Item*, ItemType);
 	bool canvas_ruler_bar_event (GdkEvent* event, ArdourCanvas::Item*, ItemType, std::string const&);
diff --git a/gtk2_ardour/editor_canvas_events.cc b/gtk2_ardour/editor_canvas_events.cc
index b6dffbf555..addefc4a05 100644
--- a/gtk2_ardour/editor_canvas_events.cc
+++ b/gtk2_ardour/editor_canvas_events.cc
@@ -1200,6 +1200,16 @@ Editor::canvas_note_event (GdkEvent *event, ArdourCanvas::Item* item)
 	return typed_event (item, event, NoteItem);
 }
 
+bool
+Editor::canvas_bg_event (GdkEvent *event, ArdourCanvas::Item* item)
+{
+	if (!internal_editing()) {
+		return false;
+	}
+
+	return typed_event (item, event, RegionItem);
+}
+
 bool
 Editor::canvas_drop_zone_event (GdkEvent* event)
 {
diff --git a/gtk2_ardour/midi_region_view.cc b/gtk2_ardour/midi_region_view.cc
index e0538bf9a8..6eaffdb4d6 100644
--- a/gtk2_ardour/midi_region_view.cc
+++ b/gtk2_ardour/midi_region_view.cc
@@ -308,7 +308,20 @@ MidiRegionView::canvas_group_event(GdkEvent* ev)
 		return RegionView::canvas_group_event (ev);
 	}
 
-	return MidiView::midi_canvas_group_event (ev);
+	/* Let MidiView do its thing */
+
+	if (MidiView::midi_canvas_group_event (ev)) {
+
+		switch (ev->type) {
+		case GDK_ENTER_NOTIFY:
+		case GDK_LEAVE_NOTIFY:
+			break;
+		default:
+			return true;
+		}
+	}
+
+	return _editing_context.canvas_bg_event (ev, get_canvas_group());
 }
 
 bool
diff --git a/gtk2_ardour/note_base.cc b/gtk2_ardour/note_base.cc
index 4a5d7e6f04..77819aae6f 100644
--- a/gtk2_ardour/note_base.cc
+++ b/gtk2_ardour/note_base.cc
@@ -309,7 +309,6 @@ NoteBase::event_handler (GdkEvent* ev)
 		break;
 
 	case GDK_LEAVE_NOTIFY:
-		set_mouse_fractions (ev);
 		_view.note_left (this);
 		break;