I–♭VII–♭VI in D♭ Major

Pattern: I – ♭VII – ♭VI Chords: D♭ – B – A

Chord Breakdown

Numeral	Chord	Type	Function
I	D♭ (details)	major	Tonic
♭VII	B (details)	major	Subtonic
♭VI	A (details)	major	Submediant

Harmonic Analysis

This progression moves through D♭ (Tonic) → B (Subtonic) → A (Submediant).

The I–♭VII–♭VI progression descends chromatically through borrowed major chords, creating a dramatic, cinematic quality from a major starting point. This stepwise descent evokes tension and grandeur. It is a favorite in classic rock and power ballads.

Song Examples

Stairway to Heaven (interlude) — Led Zeppelin
The Trooper — Iron Maiden

Chord Details

D♭ B A

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