i–iv–♭VI–♭VII in B♭ Minor

Pattern: i – iv – ♭VI – ♭VII Chords: Bbm – Ebm – G♭ – A♭

Chord Breakdown

Numeral	Chord	Type	Function
i	Bbm (details)	minor	Tonic
iv	Ebm (details)	minor	Subdominant
♭VI	G♭ (details)	major	Submediant
♭VII	A♭ (details)	major	Subtonic

Harmonic Analysis

This progression moves through Bbm (Tonic) → Ebm (Subdominant) → G♭ (Submediant) → A♭ (Subtonic).

The i–iv–♭VI–♭VII progression steadily ascends through the natural minor scale, building energy with each chord change. The stepwise climb from iv through ♭VI to ♭VII creates an unstoppable upward momentum. This pattern is common in alternative rock buildups and anthem choruses.

Song Examples

Boulevard of Broken Dreams — Green Day
In the End — Linkin Park

Chord Details

Bbm Ebm G♭ A♭

More Progressions in B♭ Minor

i–♭VII–♭VI–V i–iv–v vi–IV–I–V i–iv–i–V iv–iv–i–V i–iv–i i–iv–V vi–V–IV–III i–♭VII i–♭III–♭VII i–♭VII–IV i–♭VII–♭VI