Chord Distribution Analysis
| Chord Symbol | Count | Frequency |
|---|---|---|
| Cm7 | 7 | 14.6% |
| F7 | 5 | 10.4% |
| Bbmaj7 | 5 | 10.4% |
| Eb7 | 4 | 8.3% |
| Bm7 | 4 | 8.3% |
| E7 | 3 | 6.2% |
| Bbm7 | 2 | 4.2% |
| Abm7 | 2 | 4.2% |
Key Patterns Detected
| Pattern | Function | Frequency |
|---|---|---|
| Cm7 -> F7 | Setup (Major Key) | 5 |
| F7 -> Bbmaj7 | Resolution (Major) | 5 |
| Bm7 -> E7 | Setup (Major Key) | 3 |
| Bbm7 -> Eb7 | Setup (Major Key) | 2 |
| Bbmaj7 -> Eb7 | Setup (Major Key) | 2 |
| Eb7 -> Abm7 | Resolution (Minor) | 2 |
| Abm7 -> Db7 | Setup (Major Key) | 2 |
| Am7 -> D7 | Setup (Major Key) | 2 |
| Eb7 -> Abmaj7 | Resolution (Major) | 1 |
| Dbm7 -> Gb7 | Setup (Major Key) | 1 |
| G7b13 -> Cm7 | Resolution (Minor) | 1 |
| D7 -> Gmaj7 | Resolution (Major) | 1 |
| Bm7 -> E7b9 | Setup (Major Key) | 1 |
| E7b9 -> Am7 | Resolution (Minor) | 1 |
🎼 Sheet Music
Find Lead Sheet on Sheet Music Direct (PDF)Harmonic Highlights
- Employs rapid-fire II-V-I sequences that modulate downward in whole steps (e.g., Bbm7-Eb7 to Abmaj7), typical of sophisticated bebop structures.
- Utilizes secondary dominants like G7b13 (V of ii) to create tension and drive the harmonic motion back toward the Cm7-F7 turnaround.
- Features chromatic “side-slipping” in the bridge, where minor 7th chords (Cm7, C#m7, Bm7) shift linearly, momentarily suspending the tonal center.
- The progression functions as a “long” II-V-I cycle, moving through various flat keys before resolving to the home key of Bb Major/G Minor.
Improvisation Focus Voice leading through descending II-V-I cycles using the Bebop Dominant scale.
Difficulty Rating 4/5; the high-speed modulations and constant shifts in tonal centers require advanced harmonic visualization and technical agility.
📚 Standard Available in:
The Real Book - Volume III
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