I7–IV7–I7–V7 in F♯ Major

Pattern: I7 – IV7 – I7 – V7 Chords: F♯7 – B7 – F♯7 – C♯7

Chord Breakdown

Numeral	Chord	Type	Function
I7	F♯7 (details)	dominant seventh	Tonic
IV7	B7 (details)	dominant seventh	Subdominant
I7	F♯7 (details)	dominant seventh	Tonic
V7	C♯7 (details)	dominant seventh	Dominant

Harmonic Analysis

This progression moves through F♯7 (Tonic) → B7 (Subdominant) → F♯7 (Tonic) → C♯7 (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

F♯7 B7 C♯7

More Progressions in F♯ 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