Chord Distribution Analysis
| Chord Symbol | Count | Frequency |
|---|---|---|
| Ab7 | 16 | 66.7% |
| Gb7 | 4 | 16.7% |
| Abm7 | 1 | 4.2% |
| Db7 | 1 | 4.2% |
| Bbm7 | 1 | 4.2% |
| Eb7#9 | 1 | 4.2% |
Key Patterns Detected
| Pattern | Function | Frequency |
|---|---|---|
| Abm7 -> Db7 | Setup (Major Key) | 1 |
| Bbm7 -> Eb7#9 | Setup (Major Key) | 1 |
- Dominant-centric harmony heavily features the Ab7 (bVII7) chord, establishing a strong modal dominant feel against the Eb minor key center.
- Abrupt chromatic shifts introduce Gb7 (bVI7), offering a blues-influenced dominant color or tritone substitution.
- The progression utilizes characteristic Wayne Shorter ii-V sequences, such as Abm7-Db7-Bbm7-Eb7#9, creating momentary tonal shifts and extended dominants.
Improvisation Focus: Mixolydian mode and its alterations, particularly Lydian Dominant, across the varied dominant structures.
Difficulty Rating: 5 (Advanced). The harmonic ambiguity, frequent non-functional dominant chords, and advanced alterations demand sophisticated improvisational and theoretical understanding.