Jazz
Coltrane Matrix (Imaj7–♭VImaj7–IIImaj7–Imaj7) Chord Progression
The core structure of Coltrane Changes. A multi-tonic system where 3 tonic chords cycle at major 3rd intervals (equilateral triangle).
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Roman numerals
- Imaj7
- ♭VImaj7
- IIImaj7
- Imaj7
Roman numerals give each chord’s position relative to the key’s tonic, so the progression sounds the same in any key.
Chords by key
Key of C
Cmaj7 – Abmaj7 – Emaj7 – Cmaj7
Key of G
Gmaj7 – D#maj7 – Bmaj7 – Gmaj7
Key of D
Dmaj7 – A#maj7 – F#maj7 – Dmaj7