Chord Distribution Analysis
| Chord Symbol | Count | Frequency |
|---|---|---|
| Dbmaj7/Ab | 5 | 11.9% |
| Gbmaj7 | 4 | 9.5% |
| Ab13 | 4 | 9.5% |
| Dbmaj7 | 3 | 7.1% |
| G9b5 | 2 | 4.8% |
| Bbm7 | 2 | 4.8% |
| Ebm7/Ab | 2 | 4.8% |
| Ebm7b5 | 2 | 4.8% |
Key Patterns Detected
| Pattern | Function | Frequency |
|---|---|---|
| Gm7b5 -> C7b9 | Setup (Minor Key) | 1 |
| C7b9 -> Fm | Resolution (Minor) | 1 |
| Dbmaj7/Ab -> Ab7sus | Setup (Major Key) | 1 |
Harmonic Highlights:
- Frequent ii-V-I progressions establishing and returning to the Db major tonic, balanced by a sophisticated ii-V-i in F minor (iii minor).
- Prominent use of non-diatonic dominant chords (G9b5, G7b5), often functioning as tritone substitutions to create tension and chromatic interest.
- The introduction of Gbmaj7 (bIVmaj7) provides a characteristic momentary Lydian color, enriching the harmonic palette beyond typical diatonicism.
Improvisation Focus: The Altered Scale (Super Locrian) applied to dominant chords.
Difficulty Rating: 4 (Advanced Intermediate) The frequent altered dominants and sophisticated harmonic movement demand precise theoretical understanding and melodic navigation.