diff --git a/packages/superdough/sampler.mjs b/packages/superdough/sampler.mjs
index 188732656..e0c6fef44 100644
--- a/packages/superdough/sampler.mjs
+++ b/packages/superdough/sampler.mjs
@@ -10,11 +10,17 @@ import {
   releaseAudioNode,
 } from './helpers.mjs';
 import { logger } from './logger.mjs';
-import { note2midi } from 'node_modules/@strudel/tonal/tonleiter.mjs';
 
 const bufferCache = {}; // string: Promise<ArrayBuffer>
 const loadCache = {}; // string: Promise<ArrayBuffer>
 
+/**
+ *
+ * @typedef {Object} SampleMetaData
+ * @property {string} url
+ * @property {midi} number
+ */
+
 export const getCachedBuffer = (url) => bufferCache[url];
 
 function humanFileSize(bytes, si) {
@@ -158,6 +164,11 @@ export const processSampleMap = (sampleMap, fn, baseUrl = sampleMap._base || '')
     if (baseUrl.startsWith('github:')) {
       baseUrl = githubPath(baseUrl, '');
     }
+    /**
+     *
+     * @param {string} v
+     * @returns {SampleMetaData}
+     */
     const fullUrl = (v) => ({ url: baseUrl + v, midi: extractMidiNoteFromString(v) });
     if (Array.isArray(value)) {
       //return [key, value.map(replaceUrl)];
diff --git a/packages/superdough/util.mjs b/packages/superdough/util.mjs
index 8fc6752ce..022c328c0 100644
--- a/packages/superdough/util.mjs
+++ b/packages/superdough/util.mjs
@@ -2,12 +2,7 @@ import { logger } from './logger.mjs';
 
 // currently duplicate with core util.mjs to skip dependency
 // TODO: add separate util module?
-/**
- *
- * @typedef {Object} SampleMetaData
- * @property {string} url
- * @property {baseFrequency} number
- */
+
 export const tokenizeNote = (note) => {
   if (typeof note !== 'string') {
     return [];
diff --git a/website/src/repl/idbutils.mjs b/website/src/repl/idbutils.mjs
index 4022da883..bcd721832 100644
--- a/website/src/repl/idbutils.mjs
+++ b/website/src/repl/idbutils.mjs
@@ -61,7 +61,9 @@ export function registerSamplesFromDB(config = userSamplesDBConfig, onComplete =
             return blobToDataUrl(blob).then((path) => {
               const sampleInfoMap = sounds.get(parentDirectory) ?? new Map();
               const midi = extractMidiNoteFromString(title);
-              sampleInfoMap.set(title, { url: path, midi });
+              /** @type {import('@strudel/webaudio').SampleMetaData} */
+              const samplemetadata = { url: path, midi };
+              sampleInfoMap.set(title, samplemetadata);
 
               sounds.set(parentDirectory, sampleInfoMap);
               return;