diff --git a/gtk2_ardour/editor_selection.cc b/gtk2_ardour/editor_selection.cc
index 727b0d272b..17597d9d15 100644
--- a/gtk2_ardour/editor_selection.cc
+++ b/gtk2_ardour/editor_selection.cc
@@ -29,6 +29,8 @@
 #include "ardour/midi_region.h"
 #include "ardour/audioplaylist.h"
 
+#include "control_protocol/control_protocol.h"
+
 #include "editor.h"
 #include "actions.h"
 #include "audio_time_axis.h"
@@ -965,6 +967,8 @@ Editor::track_selection_changed ()
 		break;
 	}
 
+	RouteNotificationListPtr routes (new RouteNotificationList);
+
 	for (TrackViewList::iterator i = track_views.begin(); i != track_views.end(); ++i) {
 
 		bool yn = (find (selection->tracks.begin(), selection->tracks.end(), *i) != selection->tracks.end());
@@ -983,9 +987,21 @@ Editor::track_selection_changed ()
 		} else {
 			(*i)->hide_selection ();
 		}
+
+
+		if (yn) {
+			RouteTimeAxisView* rtav = dynamic_cast<RouteTimeAxisView*> (*i);
+			if (rtav) {
+				routes->push_back (rtav->route());
+			}
+		}
 	}
 
 	ActionManager::set_sensitive (ActionManager::track_selection_sensitive_actions, !selection->tracks.empty());
+
+	/* notify control protocols */
+	
+	ControlProtocol::TrackSelectionChanged (routes);
 }
 
 void
diff --git a/libs/surfaces/control_protocol/control_protocol.cc b/libs/surfaces/control_protocol/control_protocol.cc
index debabe5bd7..cf6a7c1800 100644
--- a/libs/surfaces/control_protocol/control_protocol.cc
+++ b/libs/surfaces/control_protocol/control_protocol.cc
@@ -46,6 +46,7 @@ PBD::Signal0<void> ControlProtocol::VerticalZoomInAll;
 PBD::Signal0<void> ControlProtocol::VerticalZoomOutAll;
 PBD::Signal0<void> ControlProtocol::VerticalZoomInSelected;
 PBD::Signal0<void> ControlProtocol::VerticalZoomOutSelected;
+PBD::Signal1<void,RouteNotificationListPtr> ControlProtocol::TrackSelectionChanged;
 
 ControlProtocol::ControlProtocol (Session& s, string str, EventLoop* evloop)
 	: BasicUI (s),
diff --git a/libs/surfaces/control_protocol/control_protocol/control_protocol.h b/libs/surfaces/control_protocol/control_protocol/control_protocol.h
index abbf73c396..68a1461c10 100644
--- a/libs/surfaces/control_protocol/control_protocol/control_protocol.h
+++ b/libs/surfaces/control_protocol/control_protocol/control_protocol.h
@@ -24,10 +24,14 @@
 #include <string>
 #include <vector>
 #include <list>
+
 #include <boost/shared_ptr.hpp>
+
 #include "pbd/stateful.h"
 #include "pbd/signals.h"
+
 #include "control_protocol/basic_ui.h"
+#include "control_protocol/types.h"
 
 namespace ARDOUR {
 
@@ -72,6 +76,13 @@ class ControlProtocol : virtual public sigc::trackable, public PBD::Stateful, pu
 	static PBD::Signal0<void> VerticalZoomInSelected;
 	static PBD::Signal0<void> VerticalZoomOutSelected;
 
+	/* signals that one UI (e.g. the GUI) can emit to get all other UI's to 
+	   respond. Typically this will always be GUI->"others" - the GUI pays
+	   no attention to these signals.
+	*/
+	
+	static PBD::Signal1<void,RouteNotificationListPtr> TrackSelectionChanged;
+
 	/* the model here is as follows:
 
 	   we imagine most control surfaces being able to control
diff --git a/libs/surfaces/control_protocol/control_protocol/types.h b/libs/surfaces/control_protocol/control_protocol/types.h
new file mode 100644
index 0000000000..0f81d87d0a
--- /dev/null
+++ b/libs/surfaces/control_protocol/control_protocol/types.h
@@ -0,0 +1,34 @@
+/*
+    Copyright (C) 2006 Paul Davis 
+
+    This program is free software; you can redistribute it
+    and/or modify it under the terms of the GNU Lesser
+    General Public License as published by the Free Software
+    Foundation; either version 2 of the License, or (at your
+    option) any later version.
+
+    This program is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU General Public License for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with this program; if not, write to the Free Software
+    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+
+*/
+
+#ifndef __ardour_control_protocol_types_h__
+#define __ardour_control_protocol_types_h__
+
+#include <vector>
+#include <boost/smart_ptr.hpp>
+
+namespace ARDOUR {
+	class Route;
+
+	typedef std::vector<boost::shared_ptr<ARDOUR::Route> >  RouteNotificationList;
+	typedef boost::shared_ptr<RouteNotificationList> RouteNotificationListPtr;
+}
+
+#endif /* __ardour_control_protocol_types_h__ */
diff --git a/libs/surfaces/mackie/mackie_control_protocol.cc b/libs/surfaces/mackie/mackie_control_protocol.cc
index 300aad9f13..c316121dc5 100644
--- a/libs/surfaces/mackie/mackie_control_protocol.cc
+++ b/libs/surfaces/mackie/mackie_control_protocol.cc
@@ -57,7 +57,6 @@
 #include "mackie_control_exception.h"
 #include "surface_port.h"
 #include "surface.h"
-
 #include "strip.h"
 #include "control_group.h"
 #include "meter.h"
@@ -112,6 +111,8 @@ MackieControlProtocol::MackieControlProtocol (Session& session)
 		this
 		);
 
+	TrackSelectionChanged.connect (gui_connections, MISSING_INVALIDATOR, ui_bind (&MackieControlProtocol::gui_track_selection_changed, this, _1), this);
+
 	_instance = this;
 
 	build_button_map ();
@@ -1158,3 +1159,11 @@ MackieControlProtocol::load_device_info (const string& name)
 
 	_device_info = i->second;
 }
+
+void
+MackieControlProtocol::gui_track_selection_changed (ARDOUR::RouteNotificationListPtr rl)
+{
+	for (Surfaces::iterator s = surfaces.begin(); s != surfaces.end(); ++s) {
+		(*s)->gui_selection_changed (rl);
+	}
+}
diff --git a/libs/surfaces/mackie/mackie_control_protocol.h b/libs/surfaces/mackie/mackie_control_protocol.h
index 8834e7a365..978fa222c3 100644
--- a/libs/surfaces/mackie/mackie_control_protocol.h
+++ b/libs/surfaces/mackie/mackie_control_protocol.h
@@ -42,6 +42,8 @@
 #include "timer.h"
 #include "device_info.h"
 
+class RouteTimeAxisView;
+
 namespace MIDI {
 	class Port;
 }
@@ -244,6 +246,7 @@ class MackieControlProtocol
 	PBD::ScopedConnectionList session_connections;
 	PBD::ScopedConnectionList port_connections;
 	PBD::ScopedConnectionList route_connections;
+	PBD::ScopedConnectionList gui_connections;
 	bool _transport_previously_rolling;
 	// timer for two quick marker left presses
 	Mackie::Timer            _frm_left_last;
@@ -277,6 +280,8 @@ class MackieControlProtocol
 	void force_special_route_to_strip (boost::shared_ptr<ARDOUR::Route> r, uint32_t surface, uint32_t strip_number);
 	void build_button_map ();
 
+	void gui_track_selection_changed (ARDOUR::RouteNotificationListPtr);
+
 	/* BUTTON HANDLING */
 
 	/* implemented button handlers */
diff --git a/libs/surfaces/mackie/strip.cc b/libs/surfaces/mackie/strip.cc
index 5c72aed496..2b1ea622db 100644
--- a/libs/surfaces/mackie/strip.cc
+++ b/libs/surfaces/mackie/strip.cc
@@ -612,3 +612,17 @@ Strip::unlock_route ()
 {
 	_route_locked = false;
 }
+
+MidiByteArray
+Strip::gui_selection_changed (ARDOUR::RouteNotificationListPtr rl)
+{
+	for (ARDOUR::RouteNotificationList::iterator i = rl->begin(); i != rl->end(); ++i) {
+		if ((*i) == _route) {
+			std::cerr << "Strip " << _index << " selected, route = " << (*i)->name() << std::endl;
+			return _select->set_state (on);
+		}
+	}
+
+	std::cerr << "Strip " << _index << " NOT selected\n";
+	return _select->set_state (off);
+}
diff --git a/libs/surfaces/mackie/strip.h b/libs/surfaces/mackie/strip.h
index ec030399a5..b92001249a 100644
--- a/libs/surfaces/mackie/strip.h
+++ b/libs/surfaces/mackie/strip.h
@@ -7,6 +7,8 @@
 #include "pbd/property_basics.h"
 #include "pbd/signals.h"
 
+#include "control_protocol/types.h"
+
 #include "control_group.h"
 #include "types.h"
 #include "midi_byte_array.h"
@@ -70,6 +72,8 @@ public:
 	void lock_route ();
 	void unlock_route ();
 	
+	MidiByteArray gui_selection_changed (ARDOUR::RouteNotificationListPtr);
+
 private:
 	Button* _solo;
 	Button* _recenable;
@@ -101,7 +105,6 @@ private:
 	
 	void update_automation ();
 	void update_meter ();
-
 };
 
 }
diff --git a/libs/surfaces/mackie/surface.cc b/libs/surfaces/mackie/surface.cc
index 016de7846f..55cb573051 100644
--- a/libs/surfaces/mackie/surface.cc
+++ b/libs/surfaces/mackie/surface.cc
@@ -725,3 +725,15 @@ Surface::update_view_mode_display ()
 		_port->write ((*s)->display (1, text));
 	}
 }
+
+void
+Surface::gui_selection_changed (ARDOUR::RouteNotificationListPtr routes)
+{
+	MidiByteArray msg;
+
+	for (Strips::iterator s = strips.begin(); s != strips.end(); ++s) {
+		msg << (*s)->gui_selection_changed (routes);
+	}
+
+	_port->write (msg);
+}
diff --git a/libs/surfaces/mackie/surface.h b/libs/surfaces/mackie/surface.h
index 150d024598..310eb00c24 100644
--- a/libs/surfaces/mackie/surface.h
+++ b/libs/surfaces/mackie/surface.h
@@ -5,6 +5,8 @@
 
 #include "midi++/types.h"
 
+#include "control_protocol/types.h"
+
 #include "controls.h"
 #include "types.h"
 #include "mackie_jog_wheel.h"
@@ -144,6 +146,8 @@ public:
 	void update_view_mode_display ();
 	void update_flip_mode_display ();
 
+	void gui_selection_changed (ARDOUR::RouteNotificationListPtr);
+
   protected:
 	void init_controls();
 	void init_strips ();
diff --git a/libs/surfaces/mackie/wscript b/libs/surfaces/mackie/wscript
index 6cf60e842c..d21c9d9aef 100644
--- a/libs/surfaces/mackie/wscript
+++ b/libs/surfaces/mackie/wscript
@@ -41,7 +41,8 @@ def build(bld):
     '''
     obj.export_includes = ['./mackie']
     obj.cxxflags     = '-DPACKAGE="ardour_mackie"'
-    obj.includes     = ['.', './mackie']
+    # need ../libs because some GTK2 header files require stuff there
+    obj.includes     = ['.', '../libs']
     obj.name         = 'libardour_mcp'
     obj.target       = 'ardour_mcp'
     obj.uselib       = 'GTKMM'