CHORDTRON

See every voicing. Become a Chord Lord.

WATCH BELOW TO LEARN MORE!

A Rich, Modern Feature Set

  • High quality chord detection with support for advanced voicings & polychords

  • Beautiful interface with 9 unique themes

  • Huge voicing library included - click a voicing and it appears with all the notes highlighted

  • Melody Detection: the app knows not to change the chord when you play lines

  • Scale degree visualization: see which numbers correspond to each note of the chord

  • MIDI Playback - import a midi file and watch CHORDTRON play it back

  • Different teaching layouts

some more examples

THEMES

Slate

Classic, inviting.

Nebula

Vibrant and creative.

Studio

The energy of a studio classroom.

Noir

Low-light.

Course Curriculum Overview

Preview the full course structure so you can see how each lesson builds your groove, technique, and musicality step by step.

  • 1: Three-Note Arpeggios Variations Part 1

  • 2: Three-Note Arpeggios Variations Part 2

  • 3: Four-Note Arpeggios

  • 4: Left Hand Practice Strategies and Beyond

  • 5: Permutations and Progressions

  • 6: Practice Strategies for Inversions

  • 7: Five Note Arpeggios

  • 8: 2 Shape Arpeggios

  • 9: Double Four-Note Arpeggios

  • 10: Poly Patterns

  • 11: Left Hand Accompaniment Part 1

  • 12: Left Hand Accompaniment Part 2

  • 13: Multi Hand Arpeggios

  • 14: Two Hand Four-Note Arpeggios

  • 15: Two Hand Five-Note Arpeggios

  • 16: Guitar Patterns

  • 17: Double Stop Arpeggios

  • 18: Applying Arpeggios to Songs

  • 19: Morphing

  • 20: Final Composition

Each lesson builds on the last, and you can revisit every lesson anytime to reinforce your skills and keep progressing.

Is it worth the investment?

We totally get how expenses stack up, so I've been focusing on creating new resources that will help you seriously improve without breaking the bank.

That's why we decided to price this course around the same cost as a single private lesson (or with the sale, even less!). This course detials a full system for you to follow. It's simple, very fun, and will leave you fully capable of generating improvised, beautiful arpeggiated textures just like Elijah and Noah.

STILL NOT SURE?

Frequently Asked Questions

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What languages is the course in?

We are excited to offer the course with subtitles in the following languages:

English

Spanish

French

Japanese

Korean

Italian

German

Russian

Portuguese (Brazilian)

Hindi

Dutch

Are there refunds?

Unfortunately, we do not do refunds for this course because once you sign up, you can download many of the exercises and we'd have no way of knowing if you already downloaded most of the materials.

That said, if you have extenuating circumstances, you are always welcome to reach out to support and see what we can do: [email protected]

What level is this course for?

This course is for all levels except complete beginner. You should know how to play the piano and have enough experience to play scales and arpeggios.

Copyright 2026 Noah Kellman and Elijah Fox. All Rights Reserved.

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