Chord Distribution Analysis
| Chord Symbol | Count | Frequency |
|---|---|---|
| Abmaj7 | 3 | 18.8% |
| F7 | 3 | 18.8% |
| Bbm7 | 3 | 18.8% |
| Eb7 | 3 | 18.8% |
| Cm7 | 2 | 12.5% |
| Dbmaj7 | 1 | 6.2% |
| Dbm6 | 1 | 6.2% |
Key Patterns Detected
| Pattern | Function | Frequency |
|---|---|---|
| F7 -> Bbm7 | Resolution (Minor) | 3 |
| Cm7 -> F7 | Setup (Major Key) | 2 |
| Bbm7 -> Eb7 | Setup (Major Key) | 2 |
| Eb7 -> Abmaj7 | Resolution (Major) | 2 |
| Abmaj7 -> Eb7 | Setup (Major Key) | 1 |
Harmonic Highlights:
- Prominent ii-V-I progressions in Ab major (
Bbm7-Eb7-Abmaj7) establish the key center. - Frequent use of secondary dominants, specifically
F7as V7/ii (V7 of Bbm7), drives harmonic motion. - The
Dbm6chord introduces a momentary bIV minor color, creating a subtle modal shift and melodic interest.
- Prominent ii-V-I progressions in Ab major (
Improvisation Focus: Ab Major scale and its diatonic modes (Dorian for minor ii, Mixolydian for dominant V) over the chord changes.
Difficulty Rating: 3 (Intermediate). Requires a solid grasp of diatonic harmony, common substitutions, and bebop melodic concepts over a consistent tempo.