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

  1. IIm7
  2. ♭II7
  3. 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

All Jazz chord progressions