Chord Distribution Analysis
| Chord Symbol | Count | Frequency |
|---|---|---|
| Abmaj7 | 6 | 18.8% |
| Bbm7 | 4 | 12.5% |
| Eb7 | 4 | 12.5% |
| Fm7 | 4 | 12.5% |
| Bb7 | 4 | 12.5% |
| Ebmaj7 | 2 | 6.2% |
| Db7 | 2 | 6.2% |
| Cm7 | 2 | 6.2% |
Key Patterns Detected
| Pattern | Function | Frequency |
|---|---|---|
| Bbm7 -> Eb7 | Setup (Major Key) | 4 |
| Fm7 -> Bb7 | Setup (Major Key) | 4 |
| Eb7 -> Abmaj7 | Resolution (Major) | 3 |
| Abmaj7 -> Db7 | Setup (Major Key) | 2 |
| Cm7 -> F7 | Setup (Major Key) | 2 |
| Eb7 -> Bbm7 | Resolution (Minor) | 1 |
| F7 -> Cm7 | Resolution (Minor) | 1 |
| Bb7 -> Ebmaj7 | Resolution (Major) | 1 |
| C7 -> Fm7 | Resolution (Minor) | 1 |
🎼 Sheet Music
Find Lead Sheet on Sheet Music Direct (PDF)Harmonic Highlights
- The progression establishes the Ab major key center through a recurring iim7–V7–I cell (Bbm7–Eb7–Abmaj7), often delaying tonic resolution to create forward momentum.
- Includes a prominent IV7 (Db7) chord, which acts as a “backdoor” dominant or a bluesy subdominant variation, adding chromatic flavor to the diatonic structure.
- The bridge employs a iii–VI–ii–V sequence (Cm7–F7–Bbm7–Eb7), using secondary dominants to cycle through the circle of fifths back to the primary key.
Improvisation Focus Guide-tone targeting (3rds and 7ths) to highlight the smooth voice-leading through the frequent ii-V-I transitions.
Difficulty Rating 2/5; the piece is accessible because it relies on predictable functional harmony and standard jazz cadences without obscure modulations.
đź“š Standard Available in:
The Real Book - Volume V
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