Chord Distribution Analysis
| Chord Symbol | Count | Frequency |
|---|---|---|
| F7 | 7 | 15.2% |
| Abmaj7 | 5 | 10.9% |
| Cm7 | 5 | 10.9% |
| Bbm7 | 4 | 8.7% |
| Eb7 | 4 | 8.7% |
| G7 | 3 | 6.5% |
| C7 | 2 | 4.3% |
| Ab7#5 | 2 | 4.3% |
Key Patterns Detected
| Pattern | Function | Frequency |
|---|---|---|
| Bbm7 -> Eb7 | Setup (Major Key) | 4 |
| Eb7 -> Abmaj7 | Resolution (Major) | 4 |
| Cm7 -> F7 | Setup (Major Key) | 3 |
| F7 -> Bbm7 | Resolution (Minor) | 3 |
| G7 -> Cm7 | Resolution (Minor) | 2 |
| Cm7b5/Eb -> F7 | Setup (Minor Key) | 2 |
| F7 -> Cm7 | Resolution (Minor) | 1 |
| F#m7 -> B7 | Setup (Major Key) | 1 |
| Dm7 -> G7 | Setup (Major Key) | 1 |
| Dbm7 -> Gb7 | Setup (Major Key) | 1 |
| Bm7 -> E7 | Setup (Major Key) | 1 |
🎼 Sheet Music
Find Lead Sheet on Sheet Music Direct (PDF)Harmonic Highlights
- Features a sophisticated Ab “Rhythm Changes” variation, utilizing a dense III-VI-II-V cycle (C7-F7-Bbm7-Eb7) to drive chromatic harmonic motion.
- Employs “side-slipping” via the F#m7-B7 sequence, functioning as a tritone substitution (subV/ii) to approach the Bbmaj7/Bbm7 tonal area.
- The bridge utilizes a subdominant shift to Db7 followed by a D°7 passing chord, creating a classic #iv diminished ascent toward the iii-VI turnaround.
Improvisation Focus Mastery of Linear Bebop Phrasing and the Ab Major/Dominant Bebop scales to navigate rapid, non-diatonic ii-V progressions.
Difficulty Rating 4/5: The high-speed harmonic rhythm and abrupt shifts in tonal center demand advanced technical facility and melodic precision to maintain continuity.
📚 Standard Available in:
The Real Book - Volume II
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