Harmonic thinking for the modern web
Lydian Gravity
A songwriting workspace built on George Russell's Lydian Chromatic Concept.
Progression
Harmony Lane
A theory-aware chord palette per bar: diatonic colors, secondary dominants, and modal borrowings.
Piano Roll
Melody Gravity
Draw notes on a beat-snapped grid, each graded by its pull against the active chord.
Playback
Hear It Instantly
Loop, metronome, and per-section playback — with prompts for the next harmonic move.