diff --git a/gtk2_ardour/ardour.bindings b/gtk2_ardour/ardour.bindings
index 86f50e139f..bf5df40e9e 100644
--- a/gtk2_ardour/ardour.bindings
+++ b/gtk2_ardour/ardour.bindings
@@ -121,6 +121,7 @@
 ; (gtk_accel_path "<Actions>/Editor/EditSelectRegionOptions" "")
 (gtk_accel_path "<Actions>/Editor/crop" "c")
 ; (gtk_accel_path "<Actions>/redirectmenu/newsend" "")
+; (gtk_accel_path "<Actions>/Editor/ToggleGeneric MIDISurfaceSubMenu" "")
 ; (gtk_accel_path "<Actions>/Editor/MeterFalloff" "")
 ; (gtk_accel_path "<Actions>/RegionList/rlRemove" "")
 (gtk_accel_path "<Actions>/Transport/GotoStart" "Home")
@@ -276,6 +277,7 @@
 ; (gtk_accel_path "<Actions>/Editor/Subframes80" "")
 ; (gtk_accel_path "<Actions>/options/FileHeaderFormatCAF" "")
 (gtk_accel_path "<Actions>/Common/ToggleLocations" "<Alt>l")
+; (gtk_accel_path "<Actions>/Editor/ToggleGeneric MIDISurface" "")
 (gtk_accel_path "<Actions>/Editor/editor-delete" "Delete")
 ; (gtk_accel_path "<Actions>/JACK/JACKLatency256" "")
 (gtk_accel_path "<Actions>/Editor/select-all-between-cursors" "u")
@@ -298,6 +300,7 @@
 ; (gtk_accel_path "<Actions>/Snap/snap-to-region-sync" "")
 (gtk_accel_path "<Actions>/Editor/edit-cursor-to-previous-region-sync" "apostrophe")
 ; (gtk_accel_path "<Actions>/redirectmenu/clear" "")
+; (gtk_accel_path "<Actions>/Editor/ToggleGeneric MIDISurfaceFeedback" "")
 ; (gtk_accel_path "<Actions>/Editor/PullupPlus4Minus1" "")
 ; (gtk_accel_path "<Actions>/JACK/JACKLatency512" "")
 (gtk_accel_path "<Actions>/Editor/edit-cursor-to-next-region-end" "<Control>bracketright")
diff --git a/gtk2_ardour/editor.cc b/gtk2_ardour/editor.cc
index 23995529e4..27c2802180 100644
--- a/gtk2_ardour/editor.cc
+++ b/gtk2_ardour/editor.cc
@@ -2861,6 +2861,114 @@ Editor::commit_reversible_command ()
 	}
 }
 
+struct TrackViewByPositionSorter
+{
+    bool operator() (const TimeAxisView* a, const TimeAxisView *b) {
+	    return a->y_position < b->y_position;
+    }
+};
+
+bool
+Editor::extend_selection_to_track (TimeAxisView& view)
+{
+	if (selection->tracks.empty()) {
+
+		if (!selection->selected (&view)) {
+			selection->set (&view);
+			return true;
+		} else {
+			return false;
+		}
+	} 
+
+	/* something is already selected, so figure out which range of things to add */
+	
+	TrackViewList to_be_added;
+	TrackViewList sorted = track_views;
+	TrackViewByPositionSorter cmp;
+	bool passed_clicked = false;
+	bool forwards;
+
+	sorted.sort (cmp);
+
+	if (!selection->selected (&view)) {
+		to_be_added.push_back (&view);
+	}
+
+	/* figure out if we should go forward or backwards */
+
+	for (TrackViewList::iterator i = sorted.begin(); i != sorted.end(); ++i) {
+
+		if ((*i) == &view) {
+			passed_clicked = true;
+		}
+
+		if (selection->selected (*i)) {
+			if (passed_clicked) {
+				forwards = true;
+			} else {
+				forwards = false;
+			}
+			break;
+		}
+	}
+			
+	passed_clicked = false;
+
+	if (forwards) {
+
+		for (TrackViewList::iterator i = sorted.begin(); i != sorted.end(); ++i) {
+					
+			if ((*i) == &view) {
+				passed_clicked = true;
+				continue;
+			}
+					
+			if (passed_clicked) {
+				if ((*i)->hidden()) {
+					continue;
+				}
+				if (selection->selected (*i)) {
+					break;
+				} else if (!(*i)->hidden()) {
+					to_be_added.push_back (*i);
+				}
+			}
+		}
+
+	} else {
+
+		for (TrackViewList::reverse_iterator r = sorted.rbegin(); r != sorted.rend(); ++r) {
+					
+			if ((*r) == &view) {
+				passed_clicked = true;
+				continue;
+			}
+					
+			if (passed_clicked) {
+						
+				if ((*r)->hidden()) {
+					continue;
+				}
+						
+				if (selection->selected (*r)) {
+					break;
+				} else if (!(*r)->hidden()) {
+					to_be_added.push_back (*r);
+				}
+			}
+		}
+	}
+			
+	if (!to_be_added.empty()) {
+		selection->add (to_be_added);
+		return true;
+	}
+	
+	return false;
+}
+
+
 bool
 Editor::set_selected_track (TimeAxisView& view, Selection::Operation op, bool no_remove)
 {
@@ -2889,13 +2997,14 @@ Editor::set_selected_track (TimeAxisView& view, Selection::Operation op, bool no
 	case Selection::Set:
 		if (selection->selected (&view) && selection->tracks.size() == 1) {
 			/* no commit necessary */
-		} 
-
-		selection->set (&view);
+		} else {
+			selection->set (&view);
+			commit = true;
+		}
 		break;
 		
 	case Selection::Extend:
-		/* not defined yet */
+		commit = extend_selection_to_track (view);
 		break;
 	}
 
diff --git a/gtk2_ardour/editor.h b/gtk2_ardour/editor.h
index 2f435336ca..6e302b93d6 100644
--- a/gtk2_ardour/editor.h
+++ b/gtk2_ardour/editor.h
@@ -217,6 +217,8 @@ class Editor : public PublicEditor
 	Selection& get_selection() const { return *selection; }
 	Selection& get_cut_buffer() const { return *cut_buffer; }
 
+	bool extend_selection_to_track (TimeAxisView&);
+
 	void play_selection ();
 	void select_all_in_track (Selection::Operation op);
 	void select_all (Selection::Operation op);
diff --git a/gtk2_ardour/editor_mouse.cc b/gtk2_ardour/editor_mouse.cc
index 1df4910d8c..4752ae16a2 100644
--- a/gtk2_ardour/editor_mouse.cc
+++ b/gtk2_ardour/editor_mouse.cc
@@ -316,6 +316,7 @@ Editor::button_selection (ArdourCanvas::Item* item, GdkEvent* event, ItemType it
 
 	switch (item_type) {
 	case RegionItem:
+		/* XXX make tying track/region selection optional */
 		c1 = set_selected_track_from_click (op, true);
 		c2 = set_selected_regionview_from_click (press, op, true);
 		commit = (c1 || c2);
@@ -323,6 +324,7 @@ Editor::button_selection (ArdourCanvas::Item* item, GdkEvent* event, ItemType it
 		
 	case RegionViewNameHighlight:
 	case RegionViewName:
+		/* XXX make tying track/region selection optional */
 		c1 = set_selected_track_from_click (op, true);
 		c2 = set_selected_regionview_from_click (press, op, true);
 		commit = (c1 || c2);
@@ -331,6 +333,7 @@ Editor::button_selection (ArdourCanvas::Item* item, GdkEvent* event, ItemType it
 	case GainAutomationControlPointItem:
 	case PanAutomationControlPointItem:
 	case RedirectAutomationControlPointItem:
+		/* XXX make tying track/region selection optional */
 		c1 = set_selected_track_from_click (op, true);
 		c2 = set_selected_control_point_from_click (op, false);
 		commit = (c1 || c2);
diff --git a/gtk2_ardour/public_editor.h b/gtk2_ardour/public_editor.h
index 8a105cd0aa..1e93e17735 100644
--- a/gtk2_ardour/public_editor.h
+++ b/gtk2_ardour/public_editor.h
@@ -93,6 +93,7 @@ class PublicEditor : public Gtk::Window, public PBD::StatefulThingWithGoingAway
 	virtual gulong frame_to_pixel (nframes_t frame) = 0;
 	virtual Selection& get_selection() const = 0;
 	virtual Selection& get_cut_buffer() const = 0;
+	virtual bool extend_selection_to_track (TimeAxisView&) = 0;
 	virtual void play_selection () = 0;
 	virtual void set_show_measures (bool yn) = 0;
 	virtual bool show_measures () const = 0;
diff --git a/gtk2_ardour/route_time_axis.cc b/gtk2_ardour/route_time_axis.cc
index b3a95711f1..87f5e8e7cc 100644
--- a/gtk2_ardour/route_time_axis.cc
+++ b/gtk2_ardour/route_time_axis.cc
@@ -1012,7 +1012,13 @@ RouteTimeAxisView::selection_click (GdkEventButton* ev)
 		break;
 
 	case Selection::Extend:
-		/* not defined yet */
+		if (tracks->size() > 1) {
+			/* add each one, do not "extend" */
+			editor.get_selection().add (*tracks);
+		} else {
+			/* extend to the single track */
+			editor.extend_selection_to_track (*tracks->front());
+		}
 		break;
 
 	case Selection::Add:
diff --git a/svn_revision.h b/svn_revision.h
index 89d7c9563a..7d354bf298 100644
--- a/svn_revision.h
+++ b/svn_revision.h
@@ -1,4 +1,4 @@
 #ifndef __ardour_svn_revision_h__
 #define __ardour_svn_revision_h__
-static const char* ardour_svn_revision = "1180";
+static const char* ardour_svn_revision = "1232";
 #endif