diff --git a/musicxml-singer-with-oddvoices/package.json b/musicxml-singer-with-oddvoices/package.json
index f68a212..d9a60ad 100644
--- a/musicxml-singer-with-oddvoices/package.json
+++ b/musicxml-singer-with-oddvoices/package.json
@@ -6,8 +6,8 @@
   "scripts": {
     "build-oddvoices": "git submodule update --init --recursive; cd ./src/oddvoices; make -C cpp; cd ../../",
     "dev": "npm run build-oddvoices; vite",
-    "build": "tsc && npm run build-oddvoices && vite build && mkdir -p ./dist/singing-synthesis && cp -r ./dist/*.* ./dist/singing-synthesis/ && cp -r ./dist/assets ./dist/singing-synthesis/",
-    "build-dev": "tsc && npm run build-oddvoices && NODE_ENV=development vite build --mode development && mkdir -p ./dist/singing-synthesis && cp -r ./dist/*.* ./dist/singing-synthesis/ && cp -r ./dist/assets ./dist/singing-synthesis/",
+    "build": "tsc && npm run build-oddvoices && vite build && mkdir -p ./dist/singing-synthesis && cp -r ./dist/*.* ./dist/singing-synthesis/ && cp -r ./dist/assets ./dist/singing-synthesis/ && cp -r ./dist/voices ./dist/singing-synthesis/",
+    "build-dev": "tsc && npm run build-oddvoices && NODE_ENV=development vite build --mode development && mkdir -p ./dist/singing-synthesis && cp -r ./dist/*.* ./dist/singing-synthesis/ && cp -r ./dist/assets ./dist/singing-synthesis/ && cp -r ./dist/voices ./dist/singing-synthesis/",
     "lint": "eslint . --ext ts,tsx --report-unused-disable-directives --max-warnings 0",
     "preview": "vite preview"
   },
diff --git a/musicxml-singer-with-oddvoices/src/App.tsx b/musicxml-singer-with-oddvoices/src/App.tsx
index 3254718..4bedf17 100644
--- a/musicxml-singer-with-oddvoices/src/App.tsx
+++ b/musicxml-singer-with-oddvoices/src/App.tsx
@@ -12,6 +12,7 @@ import {
     Typography,
 } from "@mui/material";
 import ExpandMoreIcon from "@mui/icons-material/ExpandMore";
+import ErrorIcon from "@mui/icons-material/Error";
 
 import { SplitParams } from "./oddVoiceJSON";
 import { OddVoiceJSON } from "./oddVoiceJSON/oddVoiceHelpers";
@@ -34,7 +35,7 @@ function App() {
         console.log({ oddVoiceOutputs });
     }
 
-    const { isLoadingApp, isLoadingVoice, generateVoiceFromOddVoiceJson } = useOddVoicesApp();
+    const { isLoadingApp, isLoadingVoice, voiceLoadingFailed, generateVoiceFromOddVoiceJson } = useOddVoicesApp();
 
     const [isGeneratingAudio, setIsGeneratingAudio] = React.useState(false);
 
@@ -51,7 +52,12 @@ function App() {
             >
                 <AccordionSummary disabled={!rawFile} expandIcon={rawFile ? <ExpandMoreIcon /> : null}>
                     <Typography variant="body1" textAlign="center" width="100%">
-                        {isGeneratingAudio ? (
+                        {voiceLoadingFailed ? (
+                            <>
+                                <ErrorIcon />
+                                Error loading voice!
+                            </>
+                        ) : isGeneratingAudio ? (
                             <>
                                 <CircularProgress size={16} /> Generating audio...
                             </>
diff --git a/musicxml-singer-with-oddvoices/src/oddvoices/index.tsx b/musicxml-singer-with-oddvoices/src/oddvoices/index.tsx
index 97e9665..4253f93 100644
--- a/musicxml-singer-with-oddvoices/src/oddvoices/index.tsx
+++ b/musicxml-singer-with-oddvoices/src/oddvoices/index.tsx
@@ -44,6 +44,7 @@ export const useOddVoicesApp = () => {
     const {
         data: voiceData,
         isLoading: isLoadingVoice,
+        error: voiceError,
     } = useQuery({
         queryKey: ["oddVoices", activeVoice],
         queryFn: async () => {
@@ -52,7 +53,7 @@ export const useOddVoicesApp = () => {
             }
             const response = await fetch(`${voiceUrlPrefix}${activeVoice}.voice`);
             const buffer = await response.arrayBuffer();
-            
+
             const fileName = `/voices/${activeVoice}.voice`;
             oddVoiceApp.FS.writeFile(fileName, new Uint8Array(buffer));
 
@@ -88,11 +89,16 @@ export const useOddVoicesApp = () => {
         return buffer;
     };
 
+    if (voiceError) {
+        console.error(voiceError);
+    }
+
     return {
         isLoadingApp: !oddVoiceApp,
         isLoadingVoice,
         generateVoiceFromOddVoiceJson,
         activeVoice,
         setActiveVoice,
+        voiceLoadingFailed: !isLoadingVoice && !voiceData,
     };
 };