Analysis
Heard in Ab major
| Chord | Numeral | Role |
|---|---|---|
| A♭7 | V7/IV | Secondary dominant of IV |
| D♭7 | IV7 | Blues dominant |
| A♭7 | V7/IV | Secondary dominant of IV |
| D♭7 | IV7 | Blues dominant |
| A♭7 | I7 | Blues dominant |
| Adim7 | ♯i°7 | Passing diminished, rising to ii |
| B♭m7 | ii7 | Subdominant |
| E♭7 | V7 | Dominant |
| A♭7 | I7 | Blues dominant |
| E♭7 | V7 | Dominant |