ii–V–I
- ii7Dm7
- V7G7
- Imaj7Cmaj7
- Three chords in C major: Dm7, G7 and Cmaj7.
- It starts away from home, on ii7 (Dm7), reaches Imaj7 on the 3rd chord, and ends on the home chord, a full stop.
- One of its three chords is minor.
The building blocks of jazz harmony: the ii–V–I, its minor form, and the turnarounds that lead a tune back to the top. They use 7th chords, so each chord has four notes.
| Key | ii7 | V7 | Imaj7 |
|---|---|---|---|
| C major | Dm7 | G7 | Cmaj7 |
| G major | Am7 | D7 | Gmaj7 |
| D major | Em7 | A7 | Dmaj7 |
| A major | Bm7 | E7 | Amaj7 |
| E major | F♯m7 | B7 | Emaj7 |
| B major | C♯m7 | F♯7 | Bmaj7 |
| F♯ major | G♯m7 | C♯7 | F♯maj7 |
| D♭ major | E♭m7 | A♭7 | D♭maj7 |
| A♭ major | B♭m7 | E♭7 | A♭maj7 |
| E♭ major | Fm7 | B♭7 | E♭maj7 |
| B♭ major | Cm7 | F7 | B♭maj7 |
| F major | Gm7 | C7 | Fmaj7 |
More in the chord progression player and chart, and on the common chord progressions, minor chord progressions and sad chord progressions pages.
Seventh chords and the ii–V–I. Each chord has four notes, and the roots often move down by 5ths, which is what gives turnarounds their pull back to the top.
ii–V–I, iiø7–V7–i, i–iv–VII–III–VI–iiø7–V7–i (the minor circle), Imaj7–vi7–ii7–V7 (the turnaround), iii7–vi7–ii7–V7, Imaj7–VI7–ii7–V7 and i7–VImaj7–iiø7–V7.
Keep the Roman numerals and build each chord on that note of the new key's scale. The chart on the main chord progressions page spells each progression in all twelve keys.