Chord Distribution Analysis
| Chord Symbol | Count | Frequency |
|---|---|---|
| Bb7 | 5 | 11.1% |
| Cm7 | 4 | 8.9% |
| Fm7 | 4 | 8.9% |
| Abmaj7 | 3 | 6.7% |
| Cm7/Bb | 3 | 6.7% |
| G7b9 | 2 | 4.4% |
| Ebmaj7 | 2 | 4.4% |
| G7 | 2 | 4.4% |
Key Patterns Detected
| Pattern | Function | Frequency |
|---|---|---|
| Fm7 -> Bb7 | Setup (Major Key) | 3 |
| Bb7 -> Ebmaj7 | Resolution (Major) | 2 |
| Am7b5 -> D7b9 | Setup (Minor Key) | 2 |
| G7b9/B -> Cm7 | Resolution (Minor) | 1 |
| Dm7b5 -> G7b9 | Setup (Minor Key) | 1 |
| G7b9 -> Cm7 | Resolution (Minor) | 1 |
| D7b9 -> Gm7 | Resolution (Minor) | 1 |
| Gm7 -> C7 | Setup (Major Key) | 1 |
| C7 -> Fm7 | Resolution (Minor) | 1 |
| D7b9 -> Gm7b5 | Resolution (Minor) | 1 |
| Gm7b5 -> C7b9 | Setup (Minor Key) | 1 |
| C7b9 -> Fm7 | Resolution (Minor) | 1 |
| Fm7 -> Bb7alt | Setup (Major Key) | 1 |
Harmonic Highlights
- The progression
Abmaj7 - Bb7b9 - G7b9 - Cm7showcases abVImaj7 - bVII7b9 - V7b9 - imovement, featuring an altered bVII dominant. - A prominent descending minor chord sequence
Cm7 - Bbm7 - Abm7 - Gbm7 - Fm7creates strong chromatic voice leading. - Features a clear ii-V-I modulation to Eb Major (
Fm7 - Bb7 - Ebmaj7), immediately followed by a V7 chord (G7) returning to C minor. - Chromatic diminished chords (
A07, B07) function as leading-tone substitutes, building tension before resolving to Cm7.
- The progression
Improvisation Focus Harmonic Minor Scale (and its associated modes/altered scales).
Difficulty Rating 4 (Intermediate-Advanced). The frequent modulations, altered dominants, and chromatic voice leading demand sophisticated harmonic understanding.