diff --git a/packages/soundfonts/convert.js b/packages/soundfonts/convert.js
index 91ecfc6c..ffd80cca 100644
--- a/packages/soundfonts/convert.js
+++ b/packages/soundfonts/convert.js
@@ -3,7 +3,7 @@ import fetch from 'node-fetch';
 
 const name = '0000_JCLive';
 
-const js = await fetch(`https://surikov.github.io/webaudiofontdata/sound/${name}_sf2_file.js`).then((res) =>
+const js = await fetch(`https://felixroos.github.io/webaudiofontdata/sound/${name}_sf2_file.js`).then((res) =>
   res.text(),
 );
 // console.log(js);
diff --git a/packages/soundfonts/fontloader.mjs b/packages/soundfonts/fontloader.mjs
index 953c2695..d4d165df 100644
--- a/packages/soundfonts/fontloader.mjs
+++ b/packages/soundfonts/fontloader.mjs
@@ -5,7 +5,7 @@ async function loadFont(name) {
   }
   const load = async () => {
     // TODO: make soundfont source configurable
-    const url = `https://surikov.github.io/webaudiofontdata/sound/${name}.js`;
+    const url = `https://felixroos.github.io/webaudiofontdata/sound/${name}.js`;
     console.log('load font', name, url);
     const preset = await fetch(url).then((res) => res.text());
     let [_, data] = preset.split('={');
diff --git a/packages/soundfonts/list.mjs b/packages/soundfonts/list.mjs
index 69396a1d..3d103a96 100644
--- a/packages/soundfonts/list.mjs
+++ b/packages/soundfonts/list.mjs
@@ -1649,7 +1649,7 @@ instrumentNames[8] = 'Celesta: Chromatic Percussion';
 instrumentNames[9] = 'Glockenspiel: Chromatic Percussion';
 instrumentNames[10] = 'Music Box: Chromatic Percussion';
 instrumentNames[11] = 'Vibraphone: Chromatic Percussion';
-instrumentNames[12] = 'Marimba: Chromatic Percussion';
+instrumentNames[12] = 'Marimba: Chromatic Percussion'; // out of tune
 instrumentNames[13] = 'Xylophone: Chromatic Percussion';
 instrumentNames[14] = 'Tubular Bells: Chromatic Percussion';
 instrumentNames[15] = 'Dulcimer: Chromatic Percussion';
@@ -1658,7 +1658,7 @@ instrumentNames[17] = 'Percussive Organ: Organ';
 instrumentNames[18] = 'Rock Organ: Organ';
 instrumentNames[19] = 'Church Organ: Organ';
 instrumentNames[20] = 'Reed Organ: Organ';
-instrumentNames[21] = 'Accordion: Organ';
+instrumentNames[21] = 'Accordion: Organ'; // some notes are one octave up
 instrumentNames[22] = 'Harmonica: Organ';
 instrumentNames[23] = 'Tango Accordion: Organ';
 instrumentNames[24] = 'Acoustic Guitar (nylon): Guitar';
@@ -1675,7 +1675,7 @@ instrumentNames[34] = 'Electric Bass (pick): Bass';
 instrumentNames[35] = 'Fretless Bass: Bass';
 instrumentNames[36] = 'Slap Bass 1: Bass';
 instrumentNames[37] = 'Slap Bass 2: Bass';
-instrumentNames[38] = 'Synth Bass 1: Bass';
+instrumentNames[38] = 'Synth Bass 1: Bass'; // not found?
 instrumentNames[39] = 'Synth Bass 2: Bass';
 instrumentNames[40] = 'Violin: Strings';
 instrumentNames[41] = 'Viola: Strings';
@@ -1701,7 +1701,7 @@ instrumentNames[60] = 'French Horn: Brass';
 instrumentNames[61] = 'Brass Section: Brass';
 instrumentNames[62] = 'Synth Brass 1: Brass';
 instrumentNames[63] = 'Synth Brass 2: Brass';
-instrumentNames[64] = 'Soprano Sax: Reed';
+instrumentNames[64] = 'Soprano Sax: Reed'; // out of time?
 instrumentNames[65] = 'Alto Sax: Reed';
 instrumentNames[66] = 'Tenor Sax: Reed';
 instrumentNames[67] = 'Baritone Sax: Reed';
@@ -1711,7 +1711,7 @@ instrumentNames[70] = 'Bassoon: Reed';
 instrumentNames[71] = 'Clarinet: Reed';
 instrumentNames[72] = 'Piccolo: Pipe';
 instrumentNames[73] = 'Flute: Pipe';
-instrumentNames[74] = 'Recorder: Pipe';
+instrumentNames[74] = 'Recorder: Pipe'; // out of time?
 instrumentNames[75] = 'Pan Flute: Pipe';
 instrumentNames[76] = 'Blown bottle: Pipe';
 instrumentNames[77] = 'Shakuhachi: Pipe';
@@ -1722,7 +1722,7 @@ instrumentNames[81] = 'Lead 2 (sawtooth): Synth Lead';
 instrumentNames[82] = 'Lead 3 (calliope): Synth Lead';
 instrumentNames[83] = 'Lead 4 (chiff): Synth Lead';
 instrumentNames[84] = 'Lead 5 (charang): Synth Lead';
-instrumentNames[85] = 'Lead 6 (voice): Synth Lead';
+instrumentNames[85] = 'Lead 6 (voice): Synth Lead'; // terranigma!
 instrumentNames[86] = 'Lead 7 (fifths): Synth Lead';
 instrumentNames[87] = 'Lead 8 (bass + lead): Synth Lead';
 instrumentNames[88] = 'Pad 1 (new age): Synth Pad';