diff --git a/packages/BigMuff/descriptor.json b/packages/BigMuff/descriptor.json
index 15012e5..9f0d4b4 100644
--- a/packages/BigMuff/descriptor.json
+++ b/packages/BigMuff/descriptor.json
@@ -1,4 +1,5 @@
 {
+    "identifier": "com.webaudiomodules.wam-examples.faust-bigmuff",
     "name": "Faust BigMuff",
     "vendor": "Michel Buffa",
     "description": "",
diff --git a/packages/GuitarAmpSim60s/descriptor.json b/packages/GuitarAmpSim60s/descriptor.json
index 70efedf..2c81ca2 100644
--- a/packages/GuitarAmpSim60s/descriptor.json
+++ b/packages/GuitarAmpSim60s/descriptor.json
@@ -1,10 +1,11 @@
 {
-    "name": "GuitarAmpSim60s",
-    "vendor": "Michel Buffa",
-    "description": "TODO",
-    "version": "1.0.0",
-    "apiVersion": "2.0.0",
-    "keywords": ["faust"],
-    "isInstrument": false,
-    "website": ""
-  }
\ No newline at end of file
+  "identifier": "com.webaudiomodules.wam-examples.guitarampsim60s",
+  "name": "GuitarAmpSim60s",
+  "vendor": "Michel Buffa",
+  "description": "TODO",
+  "version": "1.0.0",
+  "apiVersion": "2.0.0",
+  "keywords": ["faust"],
+  "isInstrument": false,
+  "website": ""
+}
\ No newline at end of file
diff --git a/packages/StonePhaserStereo/descriptor.json b/packages/StonePhaserStereo/descriptor.json
index 6f10cd7..9bd7223 100644
--- a/packages/StonePhaserStereo/descriptor.json
+++ b/packages/StonePhaserStereo/descriptor.json
@@ -1,4 +1,5 @@
 {
+    "identifier": "com.webaudiomodules.wam-examples.stonephaser",
     "name": "StonePhaser",
     "vendor": "WebAudioModule",
     "description": "StonePhaser Stereo written in Faust",
diff --git a/packages/TS9_OverdriveFaustGenerated/descriptor.json b/packages/TS9_OverdriveFaustGenerated/descriptor.json
index a35043c..76b334c 100644
--- a/packages/TS9_OverdriveFaustGenerated/descriptor.json
+++ b/packages/TS9_OverdriveFaustGenerated/descriptor.json
@@ -1,4 +1,5 @@
 {
+    "identifier": "com.webaudiomodules.wam-examples.ts9overdrive",
     "name": "TS9 Overdrive",
     "vendor": "WebAudioModule",
     "description": "Overdrive written in Faust",
diff --git a/packages/VirtualMidiKeyboardNoSound/src/descriptor.json b/packages/VirtualMidiKeyboardNoSound/src/descriptor.json
index 8d6e6a5..91a3ad5 100644
--- a/packages/VirtualMidiKeyboardNoSound/src/descriptor.json
+++ b/packages/VirtualMidiKeyboardNoSound/src/descriptor.json
@@ -1,4 +1,5 @@
 {
+    "identifier": "com.webaudiomodules.wam-examples.virtual-midi-keyboard",
     "name": "VirtualMidiKeyboardNoSound",
     "vendor": "WebAudioModule",
     "description": "Midi Virtual keyboard",
diff --git a/packages/WamExample/src/WamExampleProcessor.js b/packages/WamExample/src/WamExampleProcessor.js
index 8637000..3d372d9 100644
--- a/packages/WamExample/src/WamExampleProcessor.js
+++ b/packages/WamExample/src/WamExampleProcessor.js
@@ -287,7 +287,7 @@ const getWamExampleProcessor = (moduleId) => {
 		}
 	}
 	try {
-		registerProcessor('WebAudioModuleWamExample', WamExampleProcessor);
+		registerProcessor(moduleId, WamExampleProcessor);
 	} catch (error) {
 		console.warn(error);
 	}
diff --git a/packages/WamExample/src/descriptor.json b/packages/WamExample/src/descriptor.json
index e83a5fe..7bc60bf 100644
--- a/packages/WamExample/src/descriptor.json
+++ b/packages/WamExample/src/descriptor.json
@@ -1,4 +1,5 @@
 {
+    "identifier": "com.webaudiomodules.wam-examples.wam-example",
     "name": "WamExample",
     "vendor": "WebAudioModule",
     "description": "Simple example using WebAudioModule, WamNode, and WamProcessor classes.",
diff --git a/packages/WamExampleTemplate/src/WamExampleTemplateProcessor.js b/packages/WamExampleTemplate/src/WamExampleTemplateProcessor.js
index 942e2d4..61c829b 100644
--- a/packages/WamExampleTemplate/src/WamExampleTemplateProcessor.js
+++ b/packages/WamExampleTemplate/src/WamExampleTemplateProcessor.js
@@ -163,7 +163,7 @@
 		}
 	}
 	try {
-		registerProcessor('WebAudioModuleWamExampleTemplate', WamExampleTemplateProcessor);
+		registerProcessor(moduleId, WamExampleTemplateProcessor);
 	} catch (error) {
 		console.warn(error);
 	}
diff --git a/packages/WamExampleTemplate/src/descriptor.json b/packages/WamExampleTemplate/src/descriptor.json
index b590f62..3c008b4 100644
--- a/packages/WamExampleTemplate/src/descriptor.json
+++ b/packages/WamExampleTemplate/src/descriptor.json
@@ -1,4 +1,5 @@
 {
+    "identifier": "com.webaudiomodules.wam-examples.template",
     "name": "WamExampleTemplate",
     "vendor": "WebAudioModule",
     "description": "Simple example template for WebAudioModule, WamNode, and WamProcessor classes.",
diff --git a/packages/csoundPitchShifter/src/descriptor.json b/packages/csoundPitchShifter/src/descriptor.json
index 367a9f4..5276f65 100644
--- a/packages/csoundPitchShifter/src/descriptor.json
+++ b/packages/csoundPitchShifter/src/descriptor.json
@@ -1,11 +1,12 @@
 {
+    "identifier": "com.webaudiomodules.wam-examples.csound-pitchshifter",
     "name": "Csound PitchShifter",
     "vendor": "Steven Yi",
     "description": "",
     "version": "1.0.0",
     "apiVersion": "2.0.0",
     "thumbnail": "screenshot.png",
-    "keywords": ["faust"],
+    "keywords": ["csound"],
     "isInstrument": false,
     "website": ""
 }
diff --git a/packages/disto_machine/src/descriptor.json b/packages/disto_machine/src/descriptor.json
index 19c917a..fedfcd3 100644
--- a/packages/disto_machine/src/descriptor.json
+++ b/packages/disto_machine/src/descriptor.json
@@ -1,4 +1,5 @@
 {
+    "identifier": "com.webaudiomodules.wam-examples.distomachine-nobuilder",
     "name": "DistoMachine (No builder)",
     "vendor": "WebAudioModule",
     "description": "DistoMachine written in native WebAudio nodes",
diff --git a/packages/faustFlute/descriptor.json b/packages/faustFlute/descriptor.json
index ea0761d..ec85246 100644
--- a/packages/faustFlute/descriptor.json
+++ b/packages/faustFlute/descriptor.json
@@ -1,4 +1,5 @@
 {
+    "identifier": "com.webaudiomodules.wam-examples.faust-flute",
     "name": "Faust Flute MIDI",
     "vendor": "Grame",
     "description": "Faust MIDI Instrument",
diff --git a/packages/faustPingPongDelay/plugin/descriptor.json b/packages/faustPingPongDelay/plugin/descriptor.json
index cdcecc2..d2853fd 100644
--- a/packages/faustPingPongDelay/plugin/descriptor.json
+++ b/packages/faustPingPongDelay/plugin/descriptor.json
@@ -1,4 +1,5 @@
 {
+    "identifier": "com.webaudiomodules.wam-examples.faust-pingpongdelay",
     "name": "Faust PingPongDelay",
     "vendor": "Shihong Ren",
     "description": "A PingPongDelay written in Faust with its default UI",
diff --git a/packages/faustPingPongDelayDefaultUI/descriptor.json b/packages/faustPingPongDelayDefaultUI/descriptor.json
index 54c8af6..17f908d 100644
--- a/packages/faustPingPongDelayDefaultUI/descriptor.json
+++ b/packages/faustPingPongDelayDefaultUI/descriptor.json
@@ -1,4 +1,5 @@
 {
+    "identifier": "com.webaudiomodules.wam-examples.faust-pingpongdelay-default-ui",
     "name": "Faust PingPongDelay (DefaultUI)",
     "vendor": "Shihong Ren",
     "description": "A PingPongDelay written in Faust with its default UI",
diff --git a/packages/graphicEqualizer/descriptor.json b/packages/graphicEqualizer/descriptor.json
index 87dd4ef..960dab7 100644
--- a/packages/graphicEqualizer/descriptor.json
+++ b/packages/graphicEqualizer/descriptor.json
@@ -1,11 +1,12 @@
 {
-    "name": "Equalizer",
-    "vendor": "Wasabi",
-    "description": "TODO",
-    "version": "1.0.0",
-    "apiVersion": "2.0.0",
-    "thumbnail": "assets/equal.png",
-    "keywords": ["equalizer", "mixing"],
-    "isInstrument": false,
-    "website": ""
-  }
\ No newline at end of file
+  "identifier": "com.webaudiomodules.wam-examples.graphic-equalizer",
+  "name": "Equalizer",
+  "vendor": "Wasabi",
+  "description": "TODO",
+  "version": "1.0.0",
+  "apiVersion": "2.0.0",
+  "thumbnail": "assets/equal.png",
+  "keywords": ["equalizer", "mixing"],
+  "isInstrument": false,
+  "website": ""
+}
\ No newline at end of file
diff --git a/packages/livegain/src/livegain/descriptor.json b/packages/livegain/src/livegain/descriptor.json
index b7b8f87..094ae4d 100644
--- a/packages/livegain/src/livegain/descriptor.json
+++ b/packages/livegain/src/livegain/descriptor.json
@@ -1,4 +1,5 @@
 {
+    "identifier": "com.webaudiomodules.wam-examples.livegain",
     "name": "LiveGain",
     "vendor": "Shihong Ren",
     "description": "TypeScript/React LiveGain WebAudioModule",
diff --git a/packages/livegain/src/livegain/index.tsx b/packages/livegain/src/livegain/index.tsx
index bad4dfa..954a45e 100644
--- a/packages/livegain/src/livegain/index.tsx
+++ b/packages/livegain/src/livegain/index.tsx
@@ -5,13 +5,19 @@ import { createElement, destroyElement } from "../gui";
 import Node from "./LiveGainNode";
 import UI from "./LiveGainUI";
 
+const getBaseUrl = (relativeUrl: URL) => {
+	const baseUrl = relativeUrl.href.substring(0, relativeUrl.href.lastIndexOf("/"));
+	return baseUrl;
+};
+
 export type Parameters = "gain" | "frameRate" | "speedLim" | "min" | "max" | "step" | "orientation" | "metering";
 export class LiveGainModule extends WebAudioModule<Node> {
-    static descriptor = {
-        name: "LiveGain",
-        vendor: "WebAudioModule"
-    };
-
+	_baseUrl = getBaseUrl(new URL(".", import.meta.url));
+	_descriptorUrl = `${this._baseUrl}/descriptor.json`;
+	async initialize(state?: any) {
+		await this._loadDescriptor();
+		return super.initialize(state);
+	}
     async createAudioNode(initialState?: any) {
         const node = new Node(this.audioContext);
         const inputGainNode = this.audioContext.createGain();
diff --git a/packages/livegain/src/oscilloscope/descriptor.json b/packages/livegain/src/oscilloscope/descriptor.json
index 0a2591d..d33468d 100644
--- a/packages/livegain/src/oscilloscope/descriptor.json
+++ b/packages/livegain/src/oscilloscope/descriptor.json
@@ -1,4 +1,5 @@
 {
+    "identifier": "com.webaudiomodules.wam-examples.oscilloscope",
     "name": "Oscilloscope",
     "vendor": "Shihong Ren",
     "description": "TypeScript/React Oscilloscope WebAudioModule",
diff --git a/packages/livegain/src/oscilloscope/index.tsx b/packages/livegain/src/oscilloscope/index.tsx
index b8104d3..0c35141 100644
--- a/packages/livegain/src/oscilloscope/index.tsx
+++ b/packages/livegain/src/oscilloscope/index.tsx
@@ -5,13 +5,19 @@ import SpectralAnalyserNode from "../worklets/SpectralAnalyser";
 import { createElement, destroyElement } from "../gui";
 import UI from "./OscilloscopeUI";
 
+const getBaseUrl = (relativeUrl: URL) => {
+	const baseUrl = relativeUrl.href.substring(0, relativeUrl.href.lastIndexOf("/"));
+	return baseUrl;
+};
+
 export type Parameters = "frameRate" | "windowSize" | "interleaved" | "showStats";
 export class OscilloscopeModule extends WebAudioModule<Node> {
-    static descriptor = {
-        name: "Oscilloscope",
-        vendor: "WebAudioModule"
-    };
-
+	_baseUrl = getBaseUrl(new URL(".", import.meta.url));
+	_descriptorUrl = `${this._baseUrl}/descriptor.json`;
+	async initialize(state?: any) {
+		await this._loadDescriptor();
+		return super.initialize(state);
+	}
     async createAudioNode(initialState?: any) {
         const node = new Node(this.audioContext);
         const outGainNode = this.audioContext.createGain();
diff --git a/packages/livegain/src/spectrogram/descriptor.json b/packages/livegain/src/spectrogram/descriptor.json
index db1eb26..7a540df 100644
--- a/packages/livegain/src/spectrogram/descriptor.json
+++ b/packages/livegain/src/spectrogram/descriptor.json
@@ -1,4 +1,5 @@
 {
+    "identifier": "com.webaudiomodules.wam-examples.spectrogram",
     "name": "Spectrogram",
     "vendor": "Shihong Ren",
     "description": "TypeScript/React Spectrogram WebAudioModule",
diff --git a/packages/livegain/src/spectrogram/index.tsx b/packages/livegain/src/spectrogram/index.tsx
index db52754..645b359 100644
--- a/packages/livegain/src/spectrogram/index.tsx
+++ b/packages/livegain/src/spectrogram/index.tsx
@@ -5,13 +5,19 @@ import SpectralAnalyserNode from "../worklets/SpectralAnalyser";
 import { createElement, destroyElement } from "../gui";
 import UI from "./SpectrogramUI";
 
+const getBaseUrl = (relativeUrl: URL) => {
+	const baseUrl = relativeUrl.href.substring(0, relativeUrl.href.lastIndexOf("/"));
+	return baseUrl;
+};
+
 export type Parameters = "frameRate" | "windowSize" | "fftSize" | "fftOverlap" | "windowFunction";
 export class SpectrogramModule extends WebAudioModule<Node> {
-    static descriptor = {
-        name: "Spectrogram",
-        vendor: "WebAudioModule"
-    };
-
+	_baseUrl = getBaseUrl(new URL(".", import.meta.url));
+	_descriptorUrl = `${this._baseUrl}/descriptor.json`;
+	async initialize(state?: any) {
+		await this._loadDescriptor();
+		return super.initialize(state);
+	}
     async createAudioNode(initialState?: any) {
         const node = new Node(this.audioContext);
         const outGainNode = this.audioContext.createGain();
diff --git a/packages/livegain/src/spectroscope/descriptor.json b/packages/livegain/src/spectroscope/descriptor.json
index df9d1e8..a7ecfe9 100644
--- a/packages/livegain/src/spectroscope/descriptor.json
+++ b/packages/livegain/src/spectroscope/descriptor.json
@@ -1,4 +1,5 @@
 {
+    "identifier": "com.webaudiomodules.wam-examples.spectroscope",
     "name": "Spectroscope",
     "vendor": "Shihong Ren",
     "description": "TypeScript/React Spectroscope WebAudioModule",
diff --git a/packages/livegain/src/spectroscope/index.tsx b/packages/livegain/src/spectroscope/index.tsx
index a7e9a84..852b855 100644
--- a/packages/livegain/src/spectroscope/index.tsx
+++ b/packages/livegain/src/spectroscope/index.tsx
@@ -5,13 +5,19 @@ import SpectralAnalyserNode from "../worklets/SpectralAnalyser";
 import { createElement, destroyElement } from "../gui";
 import UI from "./SpectroscopeUI";
 
+const getBaseUrl = (relativeUrl: URL) => {
+	const baseUrl = relativeUrl.href.substring(0, relativeUrl.href.lastIndexOf("/"));
+	return baseUrl;
+};
+
 export type Parameters = "frameRate" | "windowSize" | "fftSize" | "fftOverlap" | "windowFunction";
 export class SpectroscopeModule extends WebAudioModule<Node> {
-    static descriptor = {
-        name: "Spectroscope",
-        vendor: "WebAudioModule"
-    };
-
+	_baseUrl = getBaseUrl(new URL(".", import.meta.url));
+	_descriptorUrl = `${this._baseUrl}/descriptor.json`;
+	async initialize(state?: any) {
+		await this._loadDescriptor();
+		return super.initialize(state);
+	}
     async createAudioNode(initialState?: any) {
         const node = new Node(this.audioContext);
         const outGainNode = this.audioContext.createGain();
diff --git a/packages/livegain/webpack.config.js b/packages/livegain/webpack.config.js
index c46be72..ceb89ca 100644
--- a/packages/livegain/webpack.config.js
+++ b/packages/livegain/webpack.config.js
@@ -32,9 +32,16 @@ module.exports = (env, argv) => {
       path: path.resolve(__dirname, 'dist'),
       // library: 'JSPatcher',
       libraryTarget: 'module',
-      // chunkFilename: 'js/[chunkhash].js'
+      // chunkFilename: 'js/[chunkhash].js',
+      publicPath: "auto"
     },
     module: {
+      parser: {
+        javascript: {
+          importMeta: false,
+          url: false
+        }
+      },
       rules: [{
           test: /\.worklet\.(ts|js)$/,
           use: [{
@@ -50,7 +57,7 @@ module.exports = (env, argv) => {
             loader: 'esbuild-loader',
             options: {
               loader: 'tsx',
-              target: 'es2017'
+              target: 'es2020'
             }
           },
           exclude: /node_modules/
diff --git a/packages/midiOutput/src/descriptor.json b/packages/midiOutput/src/descriptor.json
index ec6cee0..c4bc8ae 100644
--- a/packages/midiOutput/src/descriptor.json
+++ b/packages/midiOutput/src/descriptor.json
@@ -1,4 +1,5 @@
 {
+    "identifier": "com.webaudiomodules.wam-examples.midi-output",
     "name": "MIDI Output",
     "vendor": "WebAudioModule",
     "description": "use WebMIDI API for output",
diff --git a/packages/midiOutput/src/index.js b/packages/midiOutput/src/index.js
index 60fc3ff..4405b08 100644
--- a/packages/midiOutput/src/index.js
+++ b/packages/midiOutput/src/index.js
@@ -19,6 +19,11 @@ class MidiOutput extends WebAudioModule {
 	_baseUrl = getBaseUrl(new URL('.', import.meta.url));
 	_descriptorUrl = `${this._baseUrl}/descriptor.json`;
 
+	async initialize(state) {
+		await this._loadDescriptor();
+		return super.initialize(state);
+	}
+
     /**
      * @param {any} initialState
      */
diff --git a/packages/midiSequencer/src/descriptor.json b/packages/midiSequencer/src/descriptor.json
index f3a0151..432658c 100644
--- a/packages/midiSequencer/src/descriptor.json
+++ b/packages/midiSequencer/src/descriptor.json
@@ -1,4 +1,5 @@
 {
+    "identifier": "com.webaudiomodules.wam-examples.midi-sequencer",
     "name": "MIDI Sequencer",
     "vendor": "WebAudioModule",
     "description": "MIDI Sequencer (WAM events)",
diff --git a/packages/midiSequencer/src/index.ts b/packages/midiSequencer/src/index.ts
index 17d9962..ffe1247 100644
--- a/packages/midiSequencer/src/index.ts
+++ b/packages/midiSequencer/src/index.ts
@@ -10,6 +10,10 @@ const getBaseUrl = (relativeUrl: URL) => {
 class MidiSequencer extends WebAudioModule<MidiSequencerNode> {
 	_baseUrl = getBaseUrl(new URL(".", import.meta.url));
 	_descriptorUrl = `${this._baseUrl}/descriptor.json`;
+	async initialize(state?: any) {
+		await this._loadDescriptor();
+		return super.initialize(state);
+	}
 	async createAudioNode(initialState: any) {
 		await MidiSequencerNode.addModules(this.audioContext, this.moduleId);
 		const node: MidiSequencerNode = new MidiSequencerNode(this, {});
diff --git a/packages/obxd/WasmProcessor.js b/packages/obxd/WasmProcessor.js
index b8937e3..05f9243 100644
--- a/packages/obxd/WasmProcessor.js
+++ b/packages/obxd/WasmProcessor.js
@@ -70,7 +70,7 @@
         for (var c=0; c<numChannels; c++) {
           let waaout = outputs[i][c];
           let wamout = this.audiobufs[1][i*numChannels+c];
-          waaout.set(this.WAM.HEAPF32.subarray(wamout, wamout + this.bufsize));
+          waaout?.set(this.WAM.HEAPF32.subarray(wamout, wamout + this.bufsize));
         }
       }
   
diff --git a/packages/obxd/descriptor.json b/packages/obxd/descriptor.json
index 6ae41b9..7c40c93 100644
--- a/packages/obxd/descriptor.json
+++ b/packages/obxd/descriptor.json
@@ -1,4 +1,5 @@
 {
+    "identifier": "com.webaudiomodules.wam-examples.obxd",
     "name": "OBXD",
     "vendor": "Jari Kleimola 2017-2020 (jari@webaudiomodules.org)",
     "description": "",
diff --git a/packages/pedalboard/src/descriptor.json b/packages/pedalboard/src/descriptor.json
index 6314568..e3e47ad 100644
--- a/packages/pedalboard/src/descriptor.json
+++ b/packages/pedalboard/src/descriptor.json
@@ -1,4 +1,5 @@
 {
+    "identifier": "com.webaudiomodules.wam-examples.pedalboard",
     "name": "Pedalboard",
     "vendor": "WebAudioModule",
     "description": "A rack to load multiple WAMs",
diff --git a/packages/pingpongdelay/src/descriptor.json b/packages/pingpongdelay/src/descriptor.json
index 9e793bc..48764eb 100644
--- a/packages/pingpongdelay/src/descriptor.json
+++ b/packages/pingpongdelay/src/descriptor.json
@@ -1,4 +1,5 @@
 {
+    "identifier": "com.webaudiomodules.wam-examples.pingpongdelay",
     "name": "PingPongDelay",
     "vendor": "WebAudioModule",
     "description": "A PingPongDelay written in native WebAudio nodes",
diff --git a/packages/quadrafuzz/src/descriptor.json b/packages/quadrafuzz/src/descriptor.json
index fc78de9..5d501b7 100644
--- a/packages/quadrafuzz/src/descriptor.json
+++ b/packages/quadrafuzz/src/descriptor.json
@@ -1,4 +1,5 @@
 {
+    "identifier": "com.webaudiomodules.wam-examples.quadrafuzz",
     "name": "Quadrafuzz",
     "vendor": "WebAudioModule",
     "description": "Quadrafuzz written in native WebAudio nodes",
diff --git a/packages/quadrafuzz_without_builder/src/descriptor.json b/packages/quadrafuzz_without_builder/src/descriptor.json
index 31920d1..95c5cca 100644
--- a/packages/quadrafuzz_without_builder/src/descriptor.json
+++ b/packages/quadrafuzz_without_builder/src/descriptor.json
@@ -1,4 +1,5 @@
 {
+    "identifier": "com.webaudiomodules.wam-examples.quadrafuzz-nobuilder",
     "name": "Quadrafuzz (No builder)",
     "vendor": "WebAudioModule",
     "description": "Quadrafuzz written in native WebAudio nodes",
diff --git a/packages/randomnote/descriptor.json b/packages/randomnote/descriptor.json
index a019083..9a25f25 100644
--- a/packages/randomnote/descriptor.json
+++ b/packages/randomnote/descriptor.json
@@ -1,4 +1,5 @@
 {
+    "identifier": "com.webaudiomodules.wam-examples.random-note-gen",
     "name": "Random Note Generator",
     "vendor": "WebAudioModule",
     "description": "Generate Random MIDI Notes",
diff --git a/packages/sdk-parammgr b/packages/sdk-parammgr
index 7ac79d5..c176175 160000
--- a/packages/sdk-parammgr
+++ b/packages/sdk-parammgr
@@ -1 +1 @@
-Subproject commit 7ac79d502cdd73209c1fab1ba194fd0f1a175c05
+Subproject commit c176175a7fe38844a50c967b6a74a2b6c7c24b21
diff --git a/packages/simpleMidiKeyboard/descriptor.json b/packages/simpleMidiKeyboard/descriptor.json
index fae5e6c..4a4468b 100644
--- a/packages/simpleMidiKeyboard/descriptor.json
+++ b/packages/simpleMidiKeyboard/descriptor.json
@@ -1,4 +1,5 @@
 {
+    "identifier": "com.webaudiomodules.wam-examples.midi-keyboard",
     "name": "Virtual MIDI Keyboard",
     "vendor": "WebAudioModule",
     "description": "UI to Generate MIDI Notes",
diff --git a/packages/simpleTransport/src/descriptor.json b/packages/simpleTransport/src/descriptor.json
index 39cfff6..de4d6a2 100644
--- a/packages/simpleTransport/src/descriptor.json
+++ b/packages/simpleTransport/src/descriptor.json
@@ -1,7 +1,8 @@
 {
-    "name": "Simple Tranport",
+    "identifier": "com.webaudiomodules.wam-examples.simple-transport",
+    "name": "Simple Transport",
     "vendor": "WebAudioModule",
-    "description": "wam-tranport event generator",
+    "description": "wam-transport event generator",
     "version": "1.0.0",
     "apiVersion": "2.0.0",
     "thumbnail": "screenshot.png",
diff --git a/packages/synth101/src/descriptor.json b/packages/synth101/src/descriptor.json
index 5c68420..084a46e 100644
--- a/packages/synth101/src/descriptor.json
+++ b/packages/synth101/src/descriptor.json
@@ -1,4 +1,5 @@
 {
+    "identifier": "com.webaudiomodules.wam-examples.synth101",
     "name": "Synth-101",
     "vendor": "Tom",
     "description": "Synth-101 WAM2 MIDI Instrument",
diff --git a/packages/template_midi_parammgr/src/descriptor.json b/packages/template_midi_parammgr/src/descriptor.json
index 30397af..71a6072 100644
--- a/packages/template_midi_parammgr/src/descriptor.json
+++ b/packages/template_midi_parammgr/src/descriptor.json
@@ -1,4 +1,5 @@
 {
+    "identifier": "com.webaudiomodules.wam-examples.template-midi-wam-parammgr-js",
     "name": "TemplateMidiWamPMJS",
     "vendor": "WebAudioModule",
     "description": "Template MIDI WAM: ParamMgr + JS - build",
diff --git a/packages/template_parammgr/src/descriptor.json b/packages/template_parammgr/src/descriptor.json
index b06a25d..404295b 100644
--- a/packages/template_parammgr/src/descriptor.json
+++ b/packages/template_parammgr/src/descriptor.json
@@ -1,4 +1,5 @@
 {
+    "identifier": "com.webaudiomodules.wam-examples.template-wam-parammgr-js",
     "name": "TemplateWamPMJS",
     "vendor": "WebAudioModule",
     "description": "Template WAM: ParamMgr + JS - build",
diff --git a/packages/tinySynth/src/descriptor.json b/packages/tinySynth/src/descriptor.json
index ec10629..50f739e 100644
--- a/packages/tinySynth/src/descriptor.json
+++ b/packages/tinySynth/src/descriptor.json
@@ -1,4 +1,5 @@
 {
+    "identifier": "com.webaudiomodules.wam-examples.tinysynth",
     "name": "TinySynth (no GUI)",
     "vendor": "WebAudioModule",
     "description": "TinySynth GM synthesizer without GUI",
diff --git a/packages/wamEventViewer/src/descriptor.json b/packages/wamEventViewer/src/descriptor.json
index 6d38b08..826052c 100644
--- a/packages/wamEventViewer/src/descriptor.json
+++ b/packages/wamEventViewer/src/descriptor.json
@@ -1,4 +1,5 @@
 {
+    "identifier": "com.webaudiomodules.wam-examples.wam-event-viewer",
     "name": "WAM Event Viewer",
     "vendor": "WebAudioModule",
     "description": "Display received events",
diff --git a/packages/wamEventViewer/src/index.js b/packages/wamEventViewer/src/index.js
index 677c32c..6a1cb24 100644
--- a/packages/wamEventViewer/src/index.js
+++ b/packages/wamEventViewer/src/index.js
@@ -19,6 +19,11 @@ class WamEventViewer extends WebAudioModule {
 	_descriptorUrl = `${this._baseUrl}/descriptor.json`;
 	_templateUrl = `${this._baseUrl}/template.html`;
 
+	async initialize(state) {
+		await this._loadDescriptor();
+		return super.initialize(state);
+	}
+
     /**
      * @param {any} initialState
      */