I–IV–V–vi in D♭ Major

Pattern: I – IV – V – vi Chords: D♭ – G♭ – A♭ – Bbm

Chord Breakdown

Numeral	Chord	Type	Function
I	D♭ (details)	major	Tonic
IV	G♭ (details)	major	Subdominant
V	A♭ (details)	major	Dominant
vi	Bbm (details)	minor	Submediant

Harmonic Analysis

This progression moves through D♭ (Tonic) → G♭ (Subdominant) → A♭ (Dominant) → Bbm (Submediant).

Building on the classic I–IV–V, this progression takes an unexpected turn to the relative minor. The vi chord at the end adds a wistful, unresolved quality that keeps the listener engaged.

Song Examples

Africa — Toto
Don't Stop Believin' — Journey

Chord Details

D♭ G♭ A♭ Bbm

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