Progression
The Rhythm changes (A section) in F# major
Rhythm changes (A section) in F# major plays F#, D#m7, G#m7 and C#7 — I, vi, ii and V — across 8 chords. The I–vi–ii–V harmonic backbone of the A section of 'rhythm changes', the jazz standard form built on Gershwin's 'I Got Rhythm'.
The chords, in order
1F#I
2D#m7vi
3G#m7ii
4C#7V
5F#I
6D#m7vi
7G#m7ii
8C#7V