diff --git a/Source/Application/AnlApplicationInstance.cpp b/Source/Application/AnlApplicationInstance.cpp
index 86c9dd16..731352ae 100644
--- a/Source/Application/AnlApplicationInstance.cpp
+++ b/Source/Application/AnlApplicationInstance.cpp
@@ -101,8 +101,8 @@ void Application::Instance::initialise(juce::String const& commandLine)
     mDownloader = std::make_unique<Downloader>();
     AppQuitIfInvalidPointer(mDownloader);
 
-    mOscZoomDispatcher = std::make_unique<Osc::ZoomDispatcher>(getOscSender());
-    AppQuitIfInvalidPointer(mOscZoomDispatcher);
+    mOscTrackDispatcher = std::make_unique<Osc::TrackDispatcher>(getOscSender());
+    AppQuitIfInvalidPointer(mOscTrackDispatcher);
 
     mOscTransportDispatcher = std::make_unique<Osc::TransportDispatcher>(getOscSender());
     AppQuitIfInvalidPointer(mOscTransportDispatcher);
@@ -318,7 +318,7 @@ void Application::Instance::shutdown()
 
     mOscMouseDispatcher.reset();
     mOscTransportDispatcher.reset();
-    mOscZoomDispatcher.reset();
+    mOscTrackDispatcher.reset();
     mDownloader.reset();
     mMainMenuModel.reset();
     mWindow.reset();
diff --git a/Source/Application/AnlApplicationInstance.h b/Source/Application/AnlApplicationInstance.h
index 737c5646..06bd0d85 100644
--- a/Source/Application/AnlApplicationInstance.h
+++ b/Source/Application/AnlApplicationInstance.h
@@ -109,7 +109,7 @@ namespace Application
         std::unique_ptr<MainMenuModel> mMainMenuModel;
         std::unique_ptr<CommandLine> mCommandLine;
         std::unique_ptr<Downloader> mDownloader;
-        std::unique_ptr<Osc::ZoomDispatcher> mOscZoomDispatcher;
+        std::unique_ptr<Osc::TrackDispatcher> mOscTrackDispatcher;
         std::unique_ptr<Osc::TransportDispatcher> mOscTransportDispatcher;
         std::unique_ptr<Osc::MouseDispatcher> mOscMouseDispatcher;
 
diff --git a/Source/Application/AnlApplicationOsc.cpp b/Source/Application/AnlApplicationOsc.cpp
index 33b0dd4f..011b1904 100644
--- a/Source/Application/AnlApplicationOsc.cpp
+++ b/Source/Application/AnlApplicationOsc.cpp
@@ -342,7 +342,7 @@ Application::Osc::SettingsPanel::~SettingsPanel()
     setContent("", nullptr);
 }
 
-Application::Osc::ZoomDispatcher::ZoomDispatcher(Sender& sender)
+Application::Osc::TrackDispatcher::TrackDispatcher(Sender& sender)
 : mSender(sender)
 , mLayoutNotifier(typeid(*this).name(), Instance::get().getDocumentAccessor(), [this]()
                   {
@@ -398,22 +398,77 @@ Application::Osc::ZoomDispatcher::ZoomDispatcher(Sender& sender)
         }
     };
 
+    mTrackListener.onAttrChanged = [this](Track::Accessor const& accessor, Track::AttrType attribute)
+    {
+        switch(attribute)
+        {
+            case Track::AttrType::identifier:
+            case Track::AttrType::name:
+            case Track::AttrType::file:
+            case Track::AttrType::results:
+            case Track::AttrType::edit:
+            case Track::AttrType::description:
+            case Track::AttrType::key:
+            case Track::AttrType::input:
+            case Track::AttrType::state:
+            case Track::AttrType::sampleRate:
+            case Track::AttrType::height:
+            case Track::AttrType::colours:
+            case Track::AttrType::font:
+            case Track::AttrType::lineWidth:
+            case Track::AttrType::unit:
+            case Track::AttrType::labelLayout:
+            case Track::AttrType::channelsLayout:
+            case Track::AttrType::showInGroup:
+            case Track::AttrType::sendViaOsc:
+            case Track::AttrType::zoomValueMode:
+            case Track::AttrType::zoomLogScale:
+            case Track::AttrType::zoomLink:
+            case Track::AttrType::zoomAcsr:
+            case Track::AttrType::graphics:
+            case Track::AttrType::warnings:
+            case Track::AttrType::processing:
+            case Track::AttrType::focused:
+            case Track::AttrType::grid:
+            case Track::AttrType::hasPluginColourMap:
+                break;
+            case Track::AttrType::extraThresholds:
+            {
+                juce::OSCMessage message("/" + accessor.getAttr<Track::AttrType::identifier>());
+                message.addString("thresholds");
+                auto const& extraThresholds = accessor.getAttr<Track::AttrType::extraThresholds>();
+                for(auto const& extraThreshold : extraThresholds)
+                {
+                    if(extraThreshold.has_value())
+                    {
+                        message.addFloat32(extraThreshold.value());
+                    }
+                }
+                if(!extraThresholds.empty())
+                {
+                    mSender.send(message);
+                }
+                break;
+            };
+        }
+    };
+
     synchosize(mSender.isConnected());
 }
 
-Application::Osc::ZoomDispatcher::~ZoomDispatcher()
+Application::Osc::TrackDispatcher::~TrackDispatcher()
 {
     mSender.removeChangeListener(this);
     synchosize(false);
 }
 
-void Application::Osc::ZoomDispatcher::changeListenerCallback([[maybe_unused]] juce::ChangeBroadcaster* source)
+void Application::Osc::TrackDispatcher::changeListenerCallback([[maybe_unused]] juce::ChangeBroadcaster* source)
 {
     MiscWeakAssert(source == std::addressof(mSender));
     synchosize(mSender.isConnected());
 }
 
-void Application::Osc::ZoomDispatcher::synchosize(bool connect)
+void Application::Osc::TrackDispatcher::synchosize(bool connect)
 {
     auto& documentAcsr = Instance::get().getDocumentAccessor();
     for(auto& trackAcsr : documentAcsr.getAcsrs<Document::AcsrType::tracks>())
@@ -423,6 +478,7 @@ void Application::Osc::ZoomDispatcher::synchosize(bool connect)
         auto& binZoom = trackAcsr.get().getAcsr<Track::AcsrType::binZoom>();
         if(trackConnected)
         {
+            trackAcsr.get().addListener(mTrackListener, NotificationType::synchronous);
             switch(Track::Tools::getFrameType(trackAcsr.get()).value_or(Track::FrameType::label))
             {
                 case Track::FrameType::label:
@@ -449,6 +505,7 @@ void Application::Osc::ZoomDispatcher::synchosize(bool connect)
         {
             valueZoom.removeListener(mZoomListener);
             binZoom.removeListener(mZoomListener);
+            trackAcsr.get().removeListener(mTrackListener);
         }
     }
 }
diff --git a/Source/Application/AnlApplicationOsc.h b/Source/Application/AnlApplicationOsc.h
index bdac7360..622ac201 100644
--- a/Source/Application/AnlApplicationOsc.h
+++ b/Source/Application/AnlApplicationOsc.h
@@ -102,12 +102,12 @@ namespace Application
             SettingsContent mContent;
         };
 
-        class ZoomDispatcher
+        class TrackDispatcher
         : public juce::ChangeListener
         {
         public:
-            ZoomDispatcher(Sender& sender);
-            ~ZoomDispatcher() override;
+            TrackDispatcher(Sender& sender);
+            ~TrackDispatcher() override;
 
         private:
             // juce::ChangeListener
@@ -117,9 +117,10 @@ namespace Application
 
             Sender& mSender;
             Document::LayoutNotifier mLayoutNotifier;
+            Track::Accessor::Listener mTrackListener{typeid(*this).name()};
             Zoom::Accessor::Listener mZoomListener{typeid(*this).name()};
 
-            JUCE_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR(ZoomDispatcher)
+            JUCE_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR(TrackDispatcher)
         };
 
         class TransportDispatcher