diff --git a/package.json b/package.json
index 992a81b..3ca5a72 100644
--- a/package.json
+++ b/package.json
@@ -11,7 +11,7 @@
   "devDependencies": {
     "@tauri-apps/cli": "^1.4.0",
     "@types/audioworklet": "^0.0.49",
-    "typescript": "^5.0.2",
+    "typescript": "^5.2.2",
     "vite": "^4.4.5"
   },
   "dependencies": {
diff --git a/src/API.ts b/src/API.ts
index 6d30454..9c067f7 100644
--- a/src/API.ts
+++ b/src/API.ts
@@ -1513,7 +1513,7 @@ export class UserAPI {
     this._logMessage(message);
   };
 
-  scale = getScaleNotes
+  scale = getScaleNotes;
 
   rate = (rate: number): void => {
     rate = rate;
diff --git a/src/ArrayExtensions.ts b/src/ArrayExtensions.ts
index b87e53a..36e53ac 100644
--- a/src/ArrayExtensions.ts
+++ b/src/ArrayExtensions.ts
@@ -1,4 +1,5 @@
 import { type UserAPI } from "./API";
+import { safeScale, stepsToScale } from "zifferjs";
 export {};
 
 declare global {
@@ -20,6 +21,8 @@ declare global {
     pick(): T;
     loop(index: number): T;
     shuffle(): this;
+    scale(name: string, base_note?: number): this;
+    scaleArp(scaleName: string): this;
     rotate(steps: number): this;
     unique(): this;
     in(value: T): boolean;
@@ -239,6 +242,7 @@ export const makeArrayExtensions = (api: UserAPI) => {
         result.push(this[i]);
       }
     }
+
     this.length = 0;
     this.push(...result);
     return this;
@@ -341,3 +345,53 @@ export const makeArrayExtensions = (api: UserAPI) => {
   };
   Array.prototype.rand = Array.prototype.random;
 };
+
+Array.prototype.scale = function (
+  scale: string = "major",
+  base_note: number = 0
+) {
+  /**
+   * @param scale - the scale name
+   * @param base_note - the base note to start at (MIDI note number)
+   *
+   * @returns notes from the desired scale
+   */
+
+  // This is a helper function to handle up or down octaviation.
+  const mod = (n: number, m: number) => ((n % m) + m) % m;
+  const selected_scale = stepsToScale(safeScale(scale));
+  return this.map((value) => {
+    const octaveShift = Math.floor(value / selected_scale.length) * 12;
+    return (
+      selected_scale[mod(value, selected_scale.length)] +
+      base_note +
+      octaveShift
+    );
+  });
+};
+
+Array.prototype.scaleArp = function (
+  scaleName: string = "major",
+  boundary: number = 0
+) {
+  /*
+   * @param scaleName - the scale name
+   * @param mask - the length of the mask
+   *
+   * @returns arpeggiated notes from the scale
+   */
+  const scale = stepsToScale(safeScale(scaleName));
+
+  let result = [];
+
+  boundary = boundary > scale.length ? scale.length : boundary;
+  boundary = boundary == 0 ? scale.length : boundary;
+
+  for (let j = 0; j < boundary; j++) {
+    for (let i = 0; i < this.length; i++) {
+      result.push(this[i] + scale[j]);
+    }
+  }
+
+  return result;
+};
diff --git a/src/Scales.ts b/src/Scales.ts
deleted file mode 100644
index de046f8..0000000
--- a/src/Scales.ts
+++ /dev/null
@@ -1,78 +0,0 @@
-const SCALES: Record<string, number[]> = {
-  major: [0, 2, 4, 5, 7, 9, 11],
-  naturalMinor: [0, 2, 3, 5, 7, 8, 10],
-  harmonicMinor: [0, 2, 3, 5, 7, 8, 11],
-  melodicMinor: [0, 2, 3, 5, 7, 9, 11],
-  dorian: [0, 2, 3, 5, 7, 9, 10],
-  phrygian: [0, 1, 3, 5, 7, 8, 10],
-  lydian: [0, 2, 4, 6, 7, 9, 11],
-  mixolydian: [0, 2, 4, 5, 7, 9, 10],
-  aeolian: [0, 2, 3, 5, 7, 8, 10],
-  locrian: [0, 1, 3, 5, 6, 8, 10],
-  wholeTone: [0, 2, 4, 6, 8, 10],
-  majorPentatonic: [0, 2, 4, 7, 9],
-  minorPentatonic: [0, 3, 5, 7, 10],
-  chromatic: [0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11],
-  blues: [0, 3, 5, 6, 7, 10],
-  diminished: [0, 2, 3, 5, 6, 8, 9, 11],
-  neapolitanMinor: [0, 1, 3, 5, 7, 8, 11],
-  neapolitanMajor: [0, 1, 3, 5, 7, 9, 11],
-  enigmatic: [0, 1, 4, 6, 8, 10, 11],
-  doubleHarmonic: [0, 1, 4, 5, 7, 8, 11],
-  octatonic: [0, 2, 3, 5, 6, 8, 9, 11],
-  bebopDominant: [0, 2, 4, 5, 7, 9, 10, 11],
-  bebopMajor: [0, 2, 4, 5, 7, 8, 9, 11],
-  bebopMinor: [0, 2, 3, 5, 7, 8, 9, 11],
-  bebopDorian: [0, 2, 3, 4, 5, 7, 9, 10],
-  harmonicMajor: [0, 2, 4, 5, 7, 8, 11],
-  hungarianMinor: [0, 2, 3, 6, 7, 8, 11],
-  hungarianMajor: [0, 3, 4, 6, 7, 9, 10],
-  oriental: [0, 1, 4, 5, 6, 9, 10],
-  romanianMinor: [0, 2, 3, 6, 7, 9, 10],
-  spanishGypsy: [0, 1, 4, 5, 7, 8, 10],
-  jewish: [0, 1, 4, 5, 7, 8, 10],
-  hindu: [0, 2, 4, 5, 7, 8, 10],
-  japanese: [0, 1, 5, 7, 8],
-  hirajoshi: [0, 2, 3, 7, 8],
-  kumoi: [0, 2, 3, 7, 9],
-  inSen: [0, 1, 5, 7, 10],
-  iwato: [0, 1, 5, 6, 10],
-  yo: [0, 2, 5, 7, 9],
-  minorBlues: [0, 3, 5, 6, 7, 10],
-  algerian: [0, 2, 3, 5, 6, 7, 8, 11],
-  augmented: [0, 3, 4, 7, 8, 11],
-  balinese: [0, 1, 3, 7, 8],
-  byzantine: [0, 1, 4, 5, 7, 8, 11],
-  chinese: [0, 4, 6, 7, 11],
-  egyptian: [0, 2, 5, 7, 10],
-  eightToneSpanish: [0, 1, 3, 4, 5, 6, 8, 10],
-  hawaiian: [0, 2, 3, 5, 7, 9, 10],
-  hindustan: [0, 2, 4, 5, 7, 8, 10],
-  persian: [0, 1, 4, 5, 6, 8, 11],
-  eastIndianPurvi: [0, 1, 4, 6, 7, 8, 11],
-  orientalA: [0, 1, 4, 5, 6, 9, 10],
-};
-
-export function scale(
-  n: number,
-  scaleName: string = "major",
-  octave: number = 4
-): number {
-  /**
-   * Returns the MIDI note number for the given scale degree in the given scale.
-   * @param {number} n - The scale degree, where 0 is the tonic.
-   * @param {string} scaleName - The name of the scale.
-   * @param {number} octave - The octave number.
-   * @returns {number} The MIDI note number.
-   */
-  const scale = SCALES[scaleName];
-
-  if (!scale) {
-    throw new Error(`Unknown scale ${scaleName}`);
-  }
-
-  let index = n % scale.length;
-  if (index < 0) index += scale.length; // adjust for negative indexes
-  let additionalOctaves = Math.floor(n / scale.length);
-  return 60 + (octave + additionalOctaves) * 12 + scale[index];
-}
diff --git a/src/documentation/patterns.ts b/src/documentation/patterns.ts
index ffeeb48..2e07c9f 100644
--- a/src/documentation/patterns.ts
+++ b/src/documentation/patterns.ts
@@ -183,7 +183,75 @@ ${makeExample(
 beat(1)::snd('sine').sustain(0.1).freq([100,100,100,100,200].unique().beat()).out()
 `,
   true
-)}
+  )}
+
+- <ic>scale(scale: string, mask: number)</ic>: extrapolate a custom-masked scale from each list elements. _[0].scale("major", 3)_ returns _[0,2,4]_
+
+${makeExample(
+    "Extrapolate a 3-elements Persian scale from 2 notes",
+    `
+beat(1) :: snd('gtr')
+    .note([0,5].scale("persian", 3).beat() + 50)
+    .out()
+`,
+    true
+  )}
+
+- Currently supported scales :
+| Scale name | Values                 |
+|------------|------------------------|
+|  major | 0, 2, 4, 5, 7, 9, 11
+|  naturalMinor | 0, 2, 3, 5, 7, 8, 10
+|  harmonicMinor | 0, 2, 3, 5, 7, 8, 11
+|  melodicMinor | 0, 2, 3, 5, 7, 9, 11
+|  dorian | 0, 2, 3, 5, 7, 9, 10 
+|  phrygian | 0, 1, 3, 5, 7, 8, 10
+|  lydian | 0, 2, 4, 6, 7, 9, 11
+|  mixolydian | 0, 2, 4, 5, 7, 9, 10
+|  aeolian | 0, 2, 3, 5, 7, 8, 10
+|  locrian | 0, 1, 3, 5, 6, 8, 10
+|  wholeTone | 0, 2, 4, 6, 8, 10
+|  majorPentatonic | 0, 2, 4, 7, 9
+|  minorPentatonic | 0, 3, 5, 7, 10
+|  chromatic | 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11
+|  blues | 0, 3, 5, 6, 7, 10
+|  diminished | 0, 2, 3, 5, 6, 8, 9, 11
+|  neapolitanMinor | 0, 1, 3, 5, 7, 8, 11
+|  neapolitanMajor | 0, 1, 3, 5, 7, 9, 11
+|  enigmatic | 0, 1, 4, 6, 8, 10, 11],
+|  doubleHarmonic | 0, 1, 4, 5, 7, 8, 11
+|  octatonic | 0, 2, 3, 5, 6, 8, 9, 11
+|  bebopDominant | 0, 2, 4, 5, 7, 9, 10, 11
+|  bebopMajor | 0, 2, 4, 5, 7, 8, 9, 11
+|  bebopMinor | 0, 2, 3, 5, 7, 8, 9, 11
+|  bebopDorian | 0, 2, 3, 4, 5, 7, 9, 10
+|  harmonicMajor | 0, 2, 4, 5, 7, 8, 11
+|  hungarianMinor | 0, 2, 3, 6, 7, 8, 11
+|  hungarianMajor | 0, 3, 4, 6, 7, 9, 10
+|  oriental | 0, 1, 4, 5, 6, 9, 10
+|  romanianMinor | 0, 2, 3, 6, 7, 9, 10
+|  spanishGypsy | 0, 1, 4, 5, 7, 8, 10
+|  jewish | 0, 1, 4, 5, 7, 8, 10
+|  hindi | 0, 2, 4, 5, 7, 8, 10
+|  japanese | 0, 1, 5, 7, 8
+|  hirajoshi | 0, 2, 3, 7, 8
+|  kumoi | 0, 2, 3, 7, 9
+|  inSen | 0, 1, 5, 7, 10
+|  iwato | 0, 1, 5, 6, 10
+|  yo | 0, 2, 5, 7, 9
+|  minorBlues | 0, 3, 5, 6, 7, 10
+|  algerian | 0, 2, 3, 5, 6, 7, 8, 11
+|  augmented | 0, 3, 4, 7, 8, 11
+|  balinese | 0, 1, 3, 7, 8
+|  byzantine | 0, 1, 4, 5, 7, 8, 11
+|  chinese | 0, 4, 6, 7, 11
+|  egyptian |0, 2, 5, 7, 10
+|  eightToneSpanish | 0, 1, 3, 4, 5, 6, 8, 10
+|  hawaiian | 0, 2, 3, 5, 7, 9, 10
+|  hindustan | 0, 2, 4, 5, 7, 8, 10
+|  persian | 0, 1, 4, 5, 6, 8, 11
+|  eastIndianPurvi | 0, 1, 4, 6, 7, 8, 11
+|  orientalA | 0, 1, 4, 5, 6, 9, 10
 
 - <ic>add()</ic>: add a given amount to every list element.
 - <ic>sub()</ic>: add a given amount to every list element.
diff --git a/src/examples/excerpts.ts b/src/examples/excerpts.ts
index fb29854..62b332a 100644
--- a/src/examples/excerpts.ts
+++ b/src/examples/excerpts.ts
@@ -6,7 +6,7 @@ beat(.25) :: sound('wt_symetric:8')
   .cutoff(1500 + usine(1/8) * 5000)
   .lpadsr(16, 0.2, 0.2, 0.125/2, 0)
   .room(0.9).size(0.9).resonance(20)
-  .gain(0.3).out()
+  .gain(0.7).out()
 beat(1) :: sound('kick').n(4).out()
 beat(2) :: sound('snare').out()
 beat(.5) :: sound('hh').out()`,
@@ -18,9 +18,9 @@ beat(2) :: app.hydra.osc(frequencies/100, 0.25, 0.5)
   .posterize([32,4,8,16].beat(2)).rotate(cpulse())
   .kaleid([1,2,3].beat()).out()`,
   `// The real internet of things - Bubobubobubo
-beat(.5) :: sound('STA6').cut(1).vel(0.4)
+beat(.5) :: sound('STA6').cut(1).vel(0.8)
   .orbit(2).room(0.5).size(0.5).n(irand(1,4))
-  .speed([0.15, 0.30].beat() * 1.5).loop([1,0]
+  .speed([0.15, 0.30].beat() * 3).loop([1,0]
   .beat(.125)).loopEnd([1,0.5].beat(2)).out()
 binrhythm(.5, 50) :: sound('shaker').out()
 binrhythm(.5, 52) :: sound('808bd').n(3).out()
@@ -93,14 +93,11 @@ if (flip(8, 75)) {
 }`,
   `// Race day - Bubobubobubo
 bpm(125);
-beat(.5) :: sound('STB6')
-  .n(irand(1,10)).speed(0.5).rel(1)
-  .sus(0.1).out()
+beat(.5) :: sound('STB6').n(irand(1,10)).gain(1).out()
 rhythm(flip(4) ? 1 : .5, 5, 8) :: sound('kick').out()
 rhythm(flip(2) ? .5 : .25, 7, 8) :: sound('click')
   .vel(0.1 + utriangle(.25)).n(irand(1,5)).out()
-rhythm(.5, 2, 8) :: sound('snare').out()
-`,
+rhythm(.5, 2, 8) :: sound('snare').out()`,
   `// Structure et approximation - Bubobubobubo
 beat(.25) :: sound('zzfx').zzfx(
   // Randomized chaos :)
@@ -126,7 +123,7 @@ beat(rarely(12) ? .5 : .25) :: sound('ST22')
   .cutoff(irand(200, 5000))
   .resonance(rand(0.2,0.8))
   .room(0.9).size(1).orbit(2)
-  .speed(0.25).vel(0.3).end(0.5)
+  .speed(0.5).vel(0.6).end(0.5)
   .out()
 beat(.5) :: snd('dr')
   .n([0, 0, 0, 0, 2, 8].beat())
@@ -135,21 +132,19 @@ beat(flip(2) ? 1 : 0.75) :: snd('bd').n(2).out()
 beat(4) :: snd('snare').n(5)
   .delay(0.5).delayt(bpm() / 60 / 8)
   .delayfb(0.25).out()
-`,
-  `// Atarism - Bubobubobubo
+`, `// Atarism - Bubobubobubo
 bpm(85);
 let modifier = [.5, 1, 2].beat(8);
 let othermod = [1, .5, 4].beat(4);
-beat(modifier / 2):: sound('STA9').n([0,2].beat(.5)).speed(0.5).vel(0.5).out()
-beat(.5)::sound('STA9').n([0, 20].beat(.5)).speed([1,1.5].repeatAll(4).beat() / 4)
-  .cutoff(500 + usine(.25) * 3000).vel(0.5).out()
+beat(modifier / 2):: sound('STA9').n([0,2].beat(.5)).vel(0.5).out()
+beat(.5)::sound('STA9').n([0, 20].beat(.5)).speed([1,1.5].repeatAll(4).beat() /2)
+  .cutoff(500 + usine(.25) * 3000).vel(1).room(0.9).out()
 beat(modifier / 2):: sound('STA9')
-  .n([0,7].beat(.5)).speed(flip(othermod) ? 2 :4).vel(0.45).out()
+  .n([0,7].beat(.5)).speed(flip(othermod) ? 2 : 4).vel(1).out()
 rhythm(.25, 3, 8, 1) :: sound('STA9')
-  .note([30, 33].pick()).n(32).speed(0.5).out()
+  .note([30, 33].pick()).n(32).out()
 rhythm(othermod, 5, 8) :: sound('dr').n([0,1,2].beat()).out()
-beat(1) :: sound('kick').vel(1).out()
-`,
+beat(1) :: sound('kick').vel(1).out()`,
   `// Ancient rhythms - Bubobubobubo
 beat(1) :: snd('kick').out();
 beat(2) :: snd('sd').room(0.9).size(0.9).out();
diff --git a/src/main.ts b/src/main.ts
index 6ae6b33..fc2e8e4 100644
--- a/src/main.ts
+++ b/src/main.ts
@@ -66,6 +66,8 @@ const bindings = Object.keys(classMap).map((key) => ({
   replace: (match, p1) => `<${key} class="${classMap[key]}" ${p1}>`,
 }));
 
+
+
 export class Editor {
   universes: Universes = template_universes;
   selected_universe: string;
diff --git a/yarn.lock b/yarn.lock
index 177b073..876c1e2 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -1375,10 +1375,10 @@ tslib@^2.3.1, tslib@^2.6.1:
   resolved "https://registry.yarnpkg.com/tslib/-/tslib-2.6.1.tgz#fd8c9a0ff42590b25703c0acb3de3d3f4ede0410"
   integrity sha512-t0hLfiEKfMUoqhG+U1oid7Pva4bbDPHYfJNiB7BiIjRkj1pyC++4N3huJfqY6aRH6VTB0rvtzQwjM4K6qpfOig==
 
-typescript@^5.0.2:
-  version "5.1.6"
-  resolved "https://registry.yarnpkg.com/typescript/-/typescript-5.1.6.tgz#02f8ac202b6dad2c0dd5e0913745b47a37998274"
-  integrity sha512-zaWCozRZ6DLEWAWFrVDz1H6FVXzUSfTy5FUMWsQlU8Ym5JP9eO4xkTIROFCQvhQf61z6O/G6ugw3SgAnvvm+HA==
+typescript@^5.2.2:
+  version "5.2.2"
+  resolved "https://registry.yarnpkg.com/typescript/-/typescript-5.2.2.tgz#5ebb5e5a5b75f085f22bc3f8460fba308310fa78"
+  integrity sha512-mI4WrpHsbCIcwT9cF4FZvr80QUeKvsUsUvKDoR+X/7XHQH98xYD8YHZg7ANtz2GtZt/CBq2QJ0thkGJMHfqc1w==
 
 uc.micro@^1.0.1, uc.micro@^1.0.5:
   version "1.0.6"