Chord Distribution Analysis
| Chord Symbol | Count | Frequency |
|---|---|---|
| Am7 | 5 | 15.6% |
| Gm7 | 5 | 15.6% |
| Bb6 | 4 | 12.5% |
| C7 | 4 | 12.5% |
| Ab7 | 2 | 6.2% |
| F7 | 2 | 6.2% |
| Dm7 | 2 | 6.2% |
| F6 | 1 | 3.1% |
Key Patterns Detected
| Pattern | Function | Frequency |
|---|---|---|
| Gm7 -> C7 | Setup (Major Key) | 4 |
| A7 -> Dm7 | Resolution (Minor) | 1 |
| Am7 -> D7 | Setup (Major Key) | 1 |
| D7 -> Gm7 | Resolution (Minor) | 1 |
| Cm7 -> F7 | Setup (Major Key) | 1 |
| F7 -> Bbmaj7 | Resolution (Major) | 1 |
| Bbmaj7 -> Eb7 | Setup (Major Key) | 1 |
🎼 Sheet Music
Find Lead Sheet on Sheet Music Direct (PDF)Harmonic Highlights
- Chromatic Passing Chords: The sequence
Am7 - Ab7 - Gm7utilizesAb7as a tritone substitution forD7(the secondary dominant VI7), creating a smooth chromatic descent to theiichord. - Minor Subdominant: The inclusion of
Bbm(ivm) introduces a classic “darkening” effect, functioning as a minor plagal cadence that resolves back to the tonicF. - Functional Turnarounds: The structure relies heavily on
iii-VI-ii-VandI-VI-ii-Vcycles, characteristic of the 32-bar AABA form and swing-era “rhythm changes” vocabulary.
Improvisation Focus F Major Bebop Scale.
Difficulty Rating 2/5: The harmonic progression follows standard diatonic logic with simple chromatic connectors, though the fast tempo typical of Hefti’s arrangements requires clean articulation.
📚 Standard Available in:
The Real Book - Volume VI
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