Chord Distribution Analysis
| Chord Symbol | Count | Frequency |
|---|---|---|
| F7 | 8 | 34.8% |
| Eb7 | 7 | 30.4% |
| Abm7 | 2 | 8.7% |
| Db7 | 2 | 8.7% |
| Dm7 | 1 | 4.3% |
| G7 | 1 | 4.3% |
| Cm7 | 1 | 4.3% |
| Bbm7 | 1 | 4.3% |
Key Patterns Detected
| Pattern | Function | Frequency |
|---|---|---|
| Abm7 -> Db7 | Setup (Major Key) | 2 |
| Eb7 -> Abm7 | Resolution (Minor) | 1 |
| Db7 -> Abm7 | Resolution (Minor) | 1 |
| Dm7 -> G7 | Setup (Major Key) | 1 |
| G7 -> Cm7 | Resolution (Minor) | 1 |
| Cm7 -> F7 | Setup (Major Key) | 1 |
| F7 -> Bbm7 | Resolution (Minor) | 1 |
| Bbm7 -> Eb7 | Setup (Major Key) | 1 |
🎼 Sheet Music
Find Lead Sheet on Sheet Music Direct (PDF)Harmonic Highlights
- The structure subverts the standard 12-bar blues by utilizing a static V7-IV7 (F7-Eb7) oscillation, creating a modal “vamp” feel rather than functional dominant resolution.
- The middle section features a ii-V cell (Abm7-Db7) in Gb Major, acting as a chromatic “side-slip” or bVI tonal shift that provides a dark, sophisticated contrast to the primary key.
- The final turnaround employs a standard III-VI-II-V (Dm7-G7-Cm7-F7) sequence, providing a brief moment of traditional functional harmony to reset the form.
Improvisation Focus The Bb Blues scale is central, but players must highlight the shifting chord tones—specifically the A natural in F7 versus the G natural in Eb7—to navigate the primary vamp effectively.
Difficulty Rating 2/5: The repetitive nature of the main vamp and clear ii-V patterns make it highly accessible for intermediate improvisers learning to navigate non-traditional blues.
đź“š Standard Available in:
The Real Book - Volume I
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