Chord Distribution Analysis
| Chord Symbol | Count | Frequency |
|---|---|---|
| Gm7 | 13 | 22.0% |
| Am7b5 | 6 | 10.2% |
| Eb7 | 6 | 10.2% |
| Gm7/F | 4 | 6.8% |
| Cm7 | 4 | 6.8% |
| C9 | 4 | 6.8% |
| D7b9 | 4 | 6.8% |
| C9/E | 2 | 3.4% |
Key Patterns Detected
| Pattern | Function | Frequency |
|---|---|---|
| Dm7 -> G7b9 | Setup (Major Key) | 2 |
| G7b9 -> Cm7 | Resolution (Minor) | 2 |
| Cm7 -> F7 | Setup (Major Key) | 2 |
| Am7b5 -> D7#9 | Setup (Minor Key) | 2 |
| D7#9 -> Gm7 | Resolution (Minor) | 2 |
| Am7b5 -> D7b9 | Setup (Minor Key) | 2 |
| D7b9 -> Gm7 | Resolution (Minor) | 2 |
| D7b13 -> Gm7 | Resolution (Minor) | 2 |
| D7b9 -> Am7b5 | Resolution (Minor) | 1 |
- Prominent use of the minor ii-V-i progression (Am7b5-D7#9-Gm7) establishing the tonic.
- Frequent tonicization of the iv chord (Cm7) via Dm7-G7b9-Cm7.
- Strategic deployment of tritone substitutions (Ab7 to Gm7, Eb7).
- Implied descending chromatic bass lines and colorful inversions like C9/E and Cm6/Eb.
Improvisation Focus: G Harmonic Minor scale.
Difficulty Rating: 4 (Advanced Intermediate) - The piece features complex minor key ii-V progressions, tritone substitutions, and non-diatonic dominant chords, requiring a sophisticated harmonic understanding.