Progression
The 12-bar blues in F# major
12-bar blues in F# major plays F#7, B7 and C#7 — I, IV and V — across 12 chords. The foundation of blues, rock and roll, and a huge share of popular music since the 1950s: three dominant seventh chords, one per scale degree, played in a fixed twelve-bar form.
The chords, in order
Bar 1F#7I
Bar 2B7IV
Bar 3F#7I
Bar 4F#7I
Bar 5B7IV
Bar 6B7IV
Bar 7F#7I
Bar 8F#7I
Bar 9C#7V
Bar 10B7IV
Bar 11F#7I
Bar 12C#7V