diff --git a/plugins/editor/src/editor/EditIds.h b/plugins/editor/src/editor/EditIds.h
index cb38ed65..5696e27d 100644
--- a/plugins/editor/src/editor/EditIds.h
+++ b/plugins/editor/src/editor/EditIds.h
@@ -22,11 +22,19 @@ enum class EditId : int {
     UserFilesDir,
     FallbackFilesDir,
     //
-    Key0,
-    KeyLast = Key0 + 128 - 1,
+    #define KEY_RANGE(Name) Name##0, Name##Last = Name##0 + 128 - 1
+    #define CC_RANGE(Name) Name##0, Name##Last = Name##0 + sfz::config::numCCs - 1
     //
-    Controller0,
-    ControllerLast = Controller0 + sfz::config::numCCs - 1,
+    KEY_RANGE(Key),
+    CC_RANGE(Controller),
+    //
+    KEY_RANGE(KeyUsed),
+    KEY_RANGE(KeyLabel),
+    KEY_RANGE(KeyswitchUsed),
+    KEY_RANGE(KeyswitchLabel),
+    CC_RANGE(ControllerUsed),
+    CC_RANGE(ControllerDefault),
+    CC_RANGE(ControllerLabel),
     //
     UINumCurves,
     UINumMasters,
@@ -35,6 +43,9 @@ enum class EditId : int {
     UINumPreloadedSamples,
     UINumActiveVoices,
     UIActivePanel,
+    //
+    #undef KEY_RANGE
+    #undef CC_RANGE
 };
 
 struct EditRange {
@@ -66,5 +77,12 @@ struct EditRange {
 // defines editIdForCC, ccForEditId, editIdIsCC, etc..
 DEFINE_EDIT_ID_RANGE_HELPERS(cc, CC, Controller)
 DEFINE_EDIT_ID_RANGE_HELPERS(key, Key, Key)
+DEFINE_EDIT_ID_RANGE_HELPERS(keyUsed, KeyUsed, KeyUsed)
+DEFINE_EDIT_ID_RANGE_HELPERS(keyLabel, KeyLabel, KeyLabel)
+DEFINE_EDIT_ID_RANGE_HELPERS(keyswitchUsed, KeyswitchUsed, KeyswitchUsed)
+DEFINE_EDIT_ID_RANGE_HELPERS(keyswitchLabel, KeyswitchLabel, KeyswitchLabel)
+DEFINE_EDIT_ID_RANGE_HELPERS(ccUsed, CCUsed, ControllerUsed)
+DEFINE_EDIT_ID_RANGE_HELPERS(ccDefault, CCDefault, ControllerDefault)
+DEFINE_EDIT_ID_RANGE_HELPERS(ccLabel, CCLabel, ControllerLabel)
 
 #undef DEFINE_EDIT_ID_RANGE_HELPERS
diff --git a/plugins/lv2/sfizz_ui.cpp b/plugins/lv2/sfizz_ui.cpp
index 8a061ea7..68c846b7 100644
--- a/plugins/lv2/sfizz_ui.cpp
+++ b/plugins/lv2/sfizz_ui.cpp
@@ -371,11 +371,33 @@ port_event(LV2UI_Handle ui,
 }
 
 static void
-sfizz_ui_update_description(const InstrumentDescription& desc)
+sfizz_ui_update_description(sfizz_ui_t *self, const InstrumentDescription& desc)
 {
-    // TODO(jpc) perform editor updates here
+    self->uiReceiveValue(EditId::UINumCurves, desc.numCurves);
+    self->uiReceiveValue(EditId::UINumMasters, desc.numMasters);
+    self->uiReceiveValue(EditId::UINumGroups, desc.numGroups);
+    self->uiReceiveValue(EditId::UINumRegions, desc.numRegions);
+    self->uiReceiveValue(EditId::UINumPreloadedSamples, desc.numSamples);
 
-    //std::cerr << desc << std::endl;
+    for (unsigned key = 0; key < 128; ++key) {
+        bool keyUsed = desc.keyUsed.test(key);
+        bool keyswitchUsed = desc.keyswitchUsed.test(key);
+        self->uiReceiveValue(editIdForKeyUsed(key), float(keyUsed));
+        self->uiReceiveValue(editIdForKeyswitchUsed(key), float(keyswitchUsed));
+        if (keyUsed)
+            self->uiReceiveValue(editIdForKeyLabel(key), desc.keyLabel[key]);
+        if (keyswitchUsed)
+            self->uiReceiveValue(editIdForKeyswitchLabel(key), desc.keyswitchLabel[key]);
+    }
+
+    for (unsigned cc = 0; cc < sfz::config::numCCs; ++cc) {
+        bool ccUsed = desc.ccUsed.test(cc);
+        self->uiReceiveValue(editIdForCCUsed(cc), float(ccUsed));
+        if (ccUsed) {
+            self->uiReceiveValue(editIdForCCDefault(cc), desc.ccDefault[cc]);
+            self->uiReceiveValue(editIdForCCLabel(cc), desc.ccLabel[cc]);
+        }
+    }
 }
 
 static void
@@ -396,7 +418,7 @@ sfizz_ui_check_sfz_update(sfizz_ui_t *self)
 
         const InstrumentDescription desc = parseDescriptionBlob(
             absl::string_view(reinterpret_cast<char*>(data), size));
-        sfizz_ui_update_description(desc);
+        sfizz_ui_update_description(self, desc);
     }
 }
 
diff --git a/plugins/vst/SfizzVstEditor.cpp b/plugins/vst/SfizzVstEditor.cpp
index dea3d3e6..19472000 100644
--- a/plugins/vst/SfizzVstEditor.cpp
+++ b/plugins/vst/SfizzVstEditor.cpp
@@ -196,7 +196,32 @@ void PLUGIN_API SfizzVstEditor::update(FUnknown* changedUnknown, int32 message)
 
     if (SfzDescriptionUpdate* update = FCast<SfzDescriptionUpdate>(changedUnknown)) {
         const InstrumentDescription desc = parseDescriptionBlob(update->getDescription());
-        // TODO(jpc) instrument description
+
+        uiReceiveValue(EditId::UINumCurves, desc.numCurves);
+        uiReceiveValue(EditId::UINumMasters, desc.numMasters);
+        uiReceiveValue(EditId::UINumGroups, desc.numGroups);
+        uiReceiveValue(EditId::UINumRegions, desc.numRegions);
+        uiReceiveValue(EditId::UINumPreloadedSamples, desc.numSamples);
+
+        for (unsigned key = 0; key < 128; ++key) {
+            bool keyUsed = desc.keyUsed.test(key);
+            bool keyswitchUsed = desc.keyswitchUsed.test(key);
+            uiReceiveValue(editIdForKeyUsed(key), float(keyUsed));
+            uiReceiveValue(editIdForKeyswitchUsed(key), float(keyswitchUsed));
+            if (keyUsed)
+                uiReceiveValue(editIdForKeyLabel(key), desc.keyLabel[key]);
+            if (keyswitchUsed)
+                uiReceiveValue(editIdForKeyswitchLabel(key), desc.keyswitchLabel[key]);
+        }
+
+        for (unsigned cc = 0; cc < sfz::config::numCCs; ++cc) {
+            bool ccUsed = desc.ccUsed.test(cc);
+            uiReceiveValue(editIdForCCUsed(cc), float(ccUsed));
+            if (ccUsed) {
+                uiReceiveValue(editIdForCCDefault(cc), desc.ccDefault[cc]);
+                uiReceiveValue(editIdForCCLabel(cc), desc.ccLabel[cc]);
+            }
+        }
     }
 
     if (ScalaUpdate* update = FCast<ScalaUpdate>(changedUnknown)) {