Chord Distribution Analysis
| Chord Symbol | Count | Frequency |
|---|---|---|
| Cm7 | 12 | 48.0% |
| Eb7 | 6 | 24.0% |
| Abm7 | 2 | 8.0% |
| Gbmaj7 | 1 | 4.0% |
| F7 | 1 | 4.0% |
| Emaj7 | 1 | 4.0% |
| A/Ab | 1 | 4.0% |
| G7b9b13 | 1 | 4.0% |
Key Patterns Detected
| Pattern | Function | Frequency |
|---|---|---|
| Eb7 -> Abm7 | Resolution (Minor) | 1 |
Harmonic Highlights
- Extended Cm7 establishes an ambiguous modal center, functioning as either ii in Bb or relative minor in Eb, creating initial harmonic stasis.
- The Eb7 functions as a I7 chord, suggesting a dominant on the tonic or a backdoor dominant to Ab, infusing a blues aesthetic.
- A striking descending chromatic progression (Gbmaj7 - F7 - Emaj7 - Eb7) introduces intense non-diatonic tension and sophisticated voice leading.
- Non-functional major and dominant chords (F7, Emaj7) challenge typical diatonic harmony, demanding advanced harmonic recognition.
Improvisation Focus Emphasizing chromatic voice leading over the descending major and dominant chords, adapting modal choices for each distinct quality.
Difficulty Rating 4 (Advanced). The blend of prolonged modal stasis and rapid, non-diatonic chromatic harmonic shifts demands significant harmonic flexibility.