Chord Distribution Analysis
| Chord Symbol | Count | Frequency |
|---|---|---|
| Bbmaj7 | 7 | 16.7% |
| B7 | 5 | 11.9% |
| Dm7 | 5 | 11.9% |
| Cm7 | 4 | 9.5% |
| Cm7b5 | 3 | 7.1% |
| Ebm7 | 3 | 7.1% |
| Ab7 | 3 | 7.1% |
| Dbm7 | 2 | 4.8% |
Key Patterns Detected
| Pattern | Function | Frequency |
|---|---|---|
| Ebm7 -> Ab7 | Setup (Major Key) | 3 |
| Am7b5 -> D7b9 | Setup (Minor Key) | 1 |
| D7b9 -> Gm7 | Resolution (Minor) | 1 |
| Gm7 -> C7 | Setup (Major Key) | 1 |
| Cm7b5 -> F7b5 | Setup (Minor Key) | 1 |
| F7b5 -> Bbmaj7 | Resolution (Major) | 1 |
| Dm7 -> G7 | Setup (Major Key) | 1 |
| G7 -> Cm7 | Resolution (Minor) | 1 |
| Cm7 -> F7 | Setup (Major Key) | 1 |
Harmonic Highlights:
- Features a distinctive recurring B7 chromatic dominant, creating immediate tension against the Bbmaj7 tonic.
- Includes a temporary modulation via Ebm7-Ab7 (ii-V of Db major), shifting briefly to a distant key center.
- Employs a classic minor iiø7-V7-i (Am7b5-D7b9-Gm7) to firmly establish the relative minor.
- Utilizes a notable descending chromatic chord sequence (Dm7-Dbm7-Cm7), adding non-diatonic movement.
Improvisation Focus: Navigating chromaticism and altered dominant scales.
Difficulty Rating: 4 (Advanced Intermediate). The rapid, non-diatonic modulations and chromatic substitutions require sophisticated harmonic understanding and agility.