Progression
The 12-bar blues (quick change) in F# major
12-bar blues (quick change) in F# major plays F#7, B7 and C#7 — I, IV and V — across 12 chords. The same twelve-bar blues form, ending back on the I chord for the last two bars instead of turning around on V — common when a band is vamping into a repeat.
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 12F#7I