ChordScaleNote

Purpose of the app: Understand the music behind the sound. We provide tools for harmonic analysis, chord structures, and scales.

Harmony · Structure · Discovery

Understand the music behind the sound.

A comprehensive music theory and exploration platform for building, hearing, visualizing, and understanding harmony from every angle.

Choose your path

Harmony tools

Build, identify, hear, and analyze chords across the fretboard, piano, staff, and advanced harmonic views.

Melodic discovery

Discover scales, modes, interval structures, compatible chords, and playable positions throughout the instrument.

Theory in depth

Read focused guides and deeper explorations of harmony, tuning, notation, voice leading, and musical structure.