diff --git a/packages/tonal/voicings.mjs b/packages/tonal/voicings.mjs
index dcc03924..6dc03a82 100644
--- a/packages/tonal/voicings.mjs
+++ b/packages/tonal/voicings.mjs
@@ -8,9 +8,10 @@ import { stack, register } from '@strudel.cycles/core';
 import _voicings from 'chord-voicings';
 const { dictionaryVoicing, minTopNoteDiff, lefthand } = _voicings.default || _voicings; // parcel module resolution fuckup
 
-export const voicingDictionaries = {
+export const voicingRegistry = {
   lefthand: { dictionary: lefthand, range: ['F3', 'A4'] },
 };
+export const setVoicingRange = (name, range) => addVoicings(name, voicingRegistry[name].dictionary, range);
 
 /**
  * Adds a new custom voicing dictionary.
@@ -34,11 +35,11 @@ export const voicingDictionaries = {
  * "<C^7 A7 Dm7 G7>".voicings('cookie').note()
  */
 export const addVoicings = (name, dictionary, range = ['F3', 'A4']) => {
-  Object.assign(voicingDictionaries, { [name]: { dictionary, range } });
+  Object.assign(voicingRegistry, { [name]: { dictionary, range } });
 };
 
 const getVoicing = (chord, dictionaryName, lastVoicing) => {
-  const { dictionary, range } = voicingDictionaries[dictionaryName];
+  const { dictionary, range } = voicingRegistry[dictionaryName];
   return dictionaryVoicing({
     chord,
     dictionary,
diff --git a/repl/src/runtime.mjs b/repl/src/runtime.mjs
index b261654a..d728f805 100644
--- a/repl/src/runtime.mjs
+++ b/repl/src/runtime.mjs
@@ -153,6 +153,9 @@ const audioCtx = {
 const getDrawContext = () => canvasCtx;
 const getAudioContext = () => audioCtx;
 const loadSoundfont = () => {};
+const loadCsound = () => {};
+const loadCSound = () => {};
+const loadcsound = () => {};
 
 // TODO: refactor to evalScope
 evalScope(
@@ -178,6 +181,9 @@ evalScope(
     getDrawContext,
     getAudioContext,
     loadSoundfont,
+    loadCSound,
+    loadCsound,
+    loadcsound,
     Clock: {}, // whatever
     // Tone,
   },
diff --git a/repl/src/tunes.mjs b/repl/src/tunes.mjs
index f0062ce8..a3ba23e5 100644
--- a/repl/src/tunes.mjs
+++ b/repl/src/tunes.mjs
@@ -67,6 +67,8 @@ stack(
 `;
 
 export const giantSteps = `// John Coltrane - Giant Steps
+setVoicingRange('lefthand', ['E3', 'G4']);
+
 stack(
   // melody
   seq(
@@ -90,7 +92,6 @@ stack(
     "[B2 F#2] [F2 Bb2] [Eb2 Bb3] [C#2 F#2]"
   )
 ).slow(20).note()`;
-// range: ['E3', 'G4']
 
 export const zeldasRescue = `// Koji Kondo - Princess Zelda's Rescue
 stack(
@@ -651,6 +652,7 @@ export const dinofunk = `// licensed with CC BY-NC-SA 4.0 https://creativecommon
 // by Felix Roos
 samples({bass:'https://cdn.freesound.org/previews/614/614637_2434927-hq.mp3',
 dino:{b4:'https://cdn.freesound.org/previews/316/316403_5123851-hq.mp3'}})
+setVoicingRange('lefthand', ['c3','a4'])
 
 stack(
 s('bass').loopAt(8).clip(1),
@@ -666,7 +668,6 @@ note("Abm7".voicings('lefthand').struct("x(3,8,1)".slow(2))),
 .degradeBy(.4).room(1),
 note("<b4 eb4>").s('dino').delay(.8).slow(8).room(.5)
 )`;
-// ['c3','a4']
 
 export const sampleDemo = `// licensed with CC BY-NC-SA 4.0 https://creativecommons.org/licenses/by-nc-sa/4.0/
 // by Felix Roos