diff --git a/.DS_Store b/.DS_Store
new file mode 100644
index 0000000..3e391de
Binary files /dev/null and b/.DS_Store differ
diff --git a/app.ts b/app.ts
index 6bfcda9..4cd4655 100644
--- a/app.ts
+++ b/app.ts
@@ -1,9 +1,11 @@
-import * as Tone from 'tone';
-
 // initialize four synth voices
+// @ts-expect-error: namespace, Tone, for all of the following "expect-error calls"
 const soprano = new Tone.Synth().toDestination();
+// @ts-expect-error
 const alto = new Tone.Synth().toDestination();
+// @ts-expect-error
 const tenor = new Tone.Synth().toDestination();
+// @ts-expect-error
 const bass = new Tone.Synth().toDestination();
 
 // test function for audio is armed
@@ -26,6 +28,7 @@ export const soundChord = (pitches: string[]) => {
 // set up transport
 const transportStart = document.getElementById('transport-start');
 
+// @ts-expect-error
 const loop = new Tone.Loop((time) => {
     audioTest();
 }, "8n").start(0);
@@ -33,5 +36,6 @@ const loop = new Tone.Loop((time) => {
 loop.probability = 0.8;
     
 transportStart.onclick = () => {
+    // @ts-expect-error
     Tone.Transport.start();
 }
diff --git a/index.html b/index.html
index bdfb6df..7388fb8 100644
--- a/index.html
+++ b/index.html
@@ -119,5 +119,12 @@
         <script type="module" src="https://unpkg.com/tone@14.7.77/build/Tone.js"></script>
         <!-- internal scripts -->
         <script type="module" src="./built/app.js"></script>
+        <script type="module" src="./built/src/audioUtils.js"></script>
+        <script type="module" src="./built/src/harmonyUtil.js"></script>
+        <script type="module" src="./built/src/inputHandling.js"></script>
+        <script type="module" src="./built/src/styleUtils.js"></script>
+        <script type="module" src="./built/src/vector_logic/evaluateVector.js"></script>
+        <script type="module" src="./built/src/vector_logic/extractPitchset.js"></script>
+        <script type="module" src="./built/src/vector_logic/findVector.js"></script>
     </body>
 </html>
\ No newline at end of file
diff --git a/src/styleUtils.ts b/src/styleUtils.ts
index 8231e4c..7f47476 100644
--- a/src/styleUtils.ts
+++ b/src/styleUtils.ts
@@ -1,5 +1,3 @@
-import * as Tone from 'tone';
-
 export const startButton = document.getElementById("start-tone");
 export const synthButton = document.getElementById("synth-button");
 
@@ -26,6 +24,7 @@ showMore.onclick = () => {
 }
 
 startButton.onclick = async () => {
+    // @ts-expect-error - namespace again, failed import from Tone
     await Tone.start()
     .then(() => {
         appReady = true;
diff --git a/src/vector_logic/extractPitchset.ts b/src/vector_logic/extractPitchset.ts
index 946a7e9..4c63b80 100644
--- a/src/vector_logic/extractPitchset.ts
+++ b/src/vector_logic/extractPitchset.ts
@@ -1,4 +1,4 @@
-import { musicalPitches } from "../harmonyUtil";
+import { musicalPitches } from "../harmonyUtil.js";
 
 export const extractPitchset = (pitches: string[]) => {
     // 1) determine pitch set from given array of pitches
diff --git a/tsconfig.json b/tsconfig.json
index 494906a..0de2996 100644
--- a/tsconfig.json
+++ b/tsconfig.json
@@ -2,9 +2,14 @@
     "compilerOptions": {
       "outDir": "./built",
       "allowJs": true,
-      "target": "es2017",
-      "module": "CommonJS",
+      "target": "es2018",
+      "module": "ESNext",
       "moduleResolution": "node",
     },
-    "include": ["./src/**/*", "./app"]
+    "include": [
+      "./src/**/*", "./app"
+    ],
+    "exclude": [
+      "/_tone"
+    ]
 }
\ No newline at end of file