I–IV–♭VII–I in C Major

Pattern: I – IV – ♭VII – I Chords: C – F – B♭ – C

Chord Breakdown

Numeral	Chord	Type	Function
I	C (details)	major	Tonic
IV	F (details)	major	Subdominant
♭VII	B♭ (details)	major	Subtonic
I	C (details)	major	Tonic

Harmonic Analysis

This progression moves through C (Tonic) → F (Subdominant) → B♭ (Subtonic) → C (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

C F B♭

More Progressions in C 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