Functional Harmony
Explore harmonic function classification across different equal divisions of the octave.
Click on any EDO system below to begin.
About Functional Harmony Classification
This tool classifies chords by their harmonic function based on the intervals they contain:
P
Predominant (away from tonic)
D
Dominant (tension → tonic)
M
Mediant (color, prolongation)
Features:
- Interactive chord playback with customizable waveforms
- Chord history tracking with MIDI export (whole notes)
- Multiple notation systems (letters, numbers, roman numerals)
- Transposition via root/tonic selection
- Scale filtering to find diatonic chords
- Dynamic table controls (hide rows/columns, undo with Ctrl+Z)