Jazz
Tritone Substitution (IIm7–♭II7–Imaj7) Chord Progression
A signature modern jazz technique. Sophisticated sound using bII7 as a substitute for V7.
- jazz
- modern
- advanced
Roman numerals
- IIm7
- ♭II7
- 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
Dm7 – Db7 – Cmaj7
Key of G
Am7 – G#7 – Gmaj7
Key of D
Em7 – D#7 – Dmaj7