Chord Distribution Analysis
| Chord Symbol | Count | Frequency |
|---|---|---|
| C7 | 4 | 16.0% |
| Fmaj7 | 3 | 12.0% |
| F6 | 3 | 12.0% |
| C7#5 | 2 | 8.0% |
| Bbmaj7 | 2 | 8.0% |
| Gm7b5 | 2 | 8.0% |
| Dm7 | 2 | 8.0% |
| Bb7 | 2 | 8.0% |
Key Patterns Detected
| Pattern | Function | Frequency |
|---|---|---|
| Fmaj7 -> C7#5 | Setup (Major Key) | 2 |
| Gm7b5 -> C7 | Setup (Minor Key) | 2 |
| C7#5 -> Fmaj7 | Resolution (Major) | 1 |
| Cm7 -> F7 | Setup (Major Key) | 1 |
| F7 -> Bbmaj7 | Resolution (Major) | 1 |
| Gm7 -> C7 | Setup (Major Key) | 1 |
| C7 -> Fmaj7 | Resolution (Major) | 1 |
| A7 -> Dm7 | Resolution (Minor) | 1 |
| Dm7 -> G7 | Setup (Major Key) | 1 |
🎼 Sheet Music
Find Lead Sheet on Sheet Music Direct (PDF)Harmonic Highlights
- The progression utilizes a secondary ii-V (
Cm7 - F7) to target the IV chord (Bbmaj7), a staple of swing-era part-writing. - Altered dominant tension via
C7#5creates a sophisticated voice-leading path (G# to A) back to the tonicFmaj7. - A chromatic sequence (
Bb7 - A7 - Dm7) functions as a secondary dominant chain, adding harmonic motion toward the relative minor. - The turnaround employs a minor ii-V (
Gm7b5 - C7) in a major context, introducing modal interchange from F minor.
Improvisation Focus F Major Bebop scale, emphasizing altered extensions (b13) over the dominant chords to capture the vintage “smoky” quality.
Difficulty Rating 3/5; while the tempo is usually relaxed, the frequent secondary dominants and minor ii-V substitutions require precise chord-tone targeting beyond simple diatonic scales.
📚 Standard Available in:
The Real Book - Volume II
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