Chord Distribution Analysis
| Chord Symbol | Count | Frequency |
|---|---|---|
| Fm7 | 6 | 17.1% |
| E7 | 5 | 14.3% |
| Bb7 | 4 | 11.4% |
| Ebmaj7 | 3 | 8.6% |
| Abmaj7#11 | 2 | 5.7% |
| G | 2 | 5.7% |
| Eb7 | 2 | 5.7% |
| Gm7 | 1 | 2.9% |
Key Patterns Detected
| Pattern | Function | Frequency |
|---|---|---|
| Fm7 -> Bb7 | Setup (Major Key) | 4 |
| Bb7 -> Fm7 | Resolution (Minor) | 2 |
| Am7 -> D7 | Setup (Major Key) | 1 |
| Bbm7 -> Eb7 | Setup (Major Key) | 1 |
| C7b9 -> Fm7 | Resolution (Minor) | 1 |
Harmonic Highlights
- The prominent
Fm7 - E7 - Ebmaj7progression employsE7as a bII7 (tritone substitution for Bb7), creating a characteristic chromatic resolution to the tonic. - The
Am7 - D7 - Gsequence establishes a clear, temporary tonicization of G major, a distant key from Eb. - A subsequent
Bbm7 - Eb7indicates another brief tonicization, leading towards Ab major.
- The prominent
Improvisation Focus Adapting to frequent, abrupt key center shifts and chromatic dominant substitutions.
Difficulty Rating 5 (Advanced) – Requires fluent navigation of complex chromaticism, non-functional harmony, and multiple key center modulations.