I7–IV7–I7–V7 in C Major

Pattern: I7 – IV7 – I7 – V7 Chords: C7 – F7 – C7 – G7

Chord Breakdown

Numeral	Chord	Type	Function
I7	C7 (details)	dominant seventh	Tonic
IV7	F7 (details)	dominant seventh	Subdominant
I7	C7 (details)	dominant seventh	Tonic
V7	G7 (details)	dominant seventh	Dominant

Harmonic Analysis

This progression moves through C7 (Tonic) → F7 (Subdominant) → C7 (Tonic) → G7 (Dominant).

This four-chord dominant seventh cycle adds extra blues grit to the basic blues shuttle. Every chord is a dominant seventh, creating constant harmonic tension and a rich, bluesy texture.

Song Examples

Got My Mojo Working — Muddy Waters
Everyday I Have the Blues — B.B. King

Chord Details

C7 F7 G7

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