Chord Distribution Analysis
| Chord Symbol | Count | Frequency |
|---|---|---|
| Cm7 | 7 | 19.4% |
| Bbmaj7 | 4 | 11.1% |
| C7 | 3 | 8.3% |
| F7 | 3 | 8.3% |
| G7/B | 2 | 5.6% |
| A7/C# | 2 | 5.6% |
| Bbmaj7/D | 2 | 5.6% |
| D7b9 | 2 | 5.6% |
Key Patterns Detected
| Pattern | Function | Frequency |
|---|---|---|
| Cm7 -> F7 | Setup (Major Key) | 3 |
| G7/B -> Cm7 | Resolution (Minor) | 2 |
| Dm7b5 -> G7b9 | Setup (Minor Key) | 2 |
| G7b9 -> Cm7 | Resolution (Minor) | 2 |
| F7 -> Bbmaj7 | Resolution (Major) | 1 |
🎼 Sheet Music
Find Lead Sheet on Sheet Music Direct (PDF)Harmonic Highlights
- Use of chromatic ascending bass motion (Bbmaj7 - G7/B - Cm7 - A7/C#) employs first-inversion secondary dominants (V7/ii and V7/V) to create smooth linear voice leading.
- Extensive circle-of-fifths movement (VI7 - II7 - V7 - I) provides a classic swing-era harmonic drive, utilizing G7, C7, and F7 to create tension and delay resolution.
- Strategic minor ii-V-I progressions (Dm7b5 - G7b9 - Cm7) tonicize the ii chord, effectively bridging the G minor and Bb major tonal centers.
Improvisation Focus Chord tone targeting (specifically 3rds and 7ths) to navigate the rapid secondary dominant substitutions.
Difficulty Rating 3/5; the progression requires precise navigation of frequent non-diatonic changes and chromatic bass lines while maintaining a cohesive melodic flow.
📚 Standard Available in:
The Real Book - Volume III
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