I–IV–♭VII–I in E♭ Major

Pattern: I – IV – ♭VII – I Chords: E♭ – A♭ – D♭ – E♭

Chord Breakdown

Numeral	Chord	Type	Function
I	E♭ (details)	major	Tonic
IV	A♭ (details)	major	Subdominant
♭VII	D♭ (details)	major	Subtonic
I	E♭ (details)	major	Tonic

Harmonic Analysis

This progression moves through E♭ (Tonic) → A♭ (Subdominant) → D♭ (Subtonic) → E♭ (Tonic).

A modal vamp built on the Mixolydian scale, using the characteristic ♭VII chord for a rock-influenced jazz flavor. This progression works well for modal jazz improvisation and funk-jazz fusion.

Song Examples

Chameleon — Herbie Hancock
Cissy Strut — The Meters

Chord Details

E♭ A♭ D♭

More Progressions in E♭ 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