Imaj7–vi7–ii7–V7 in D♭ Major

Pattern: Imaj7 – vi7 – ii7 – V7 Chords: Dbmaj7 – Bbm7 – Ebm7 – A♭7

Chord Breakdown

Numeral	Chord	Type	Function
Imaj7	Dbmaj7 (details)	major seventh	Tonic
vi7	Bbm7 (details)	minor seventh	Submediant
ii7	Ebm7 (details)	minor seventh	Supertonic
V7	A♭7 (details)	dominant seventh	Dominant

Harmonic Analysis

This progression moves through Dbmaj7 (Tonic) → Bbm7 (Submediant) → Ebm7 (Supertonic) → A♭7 (Dominant).

The standard I–vi–ii–V turnaround voiced with full seventh chords for authentic jazz color. The major seventh on I and the minor sevenths on vi and ii create rich voice-leading possibilities.

Song Examples

Blue Moon — Richard Rodgers
Sunday — Jule Styne

Chord Details

Dbmaj7 Bbm7 Ebm7 A♭7

More Progressions in D♭ Major

I–IV–V–I I–V–vi–IV I–vi–IV–V ii–V–I I–IV–V I–♭VII–IV vi–IV–I–V I–V–vi–iii–IV–I–IV–V I–IV I–V IV–V IV–I