Chord Distribution Analysis
| Chord Symbol | Count | Frequency |
|---|---|---|
| Bbm7 | 6 | 14.6% |
| Eb7 | 6 | 14.6% |
| Fmaj7 | 4 | 9.8% |
| Gm7 | 4 | 9.8% |
| Abmaj7 | 3 | 7.3% |
| C7 | 3 | 7.3% |
| Am7b5 | 2 | 4.9% |
| D7b9 | 2 | 4.9% |
Key Patterns Detected
| Pattern | Function | Frequency |
|---|---|---|
| Bbm7 -> Eb7 | Setup (Major Key) | 6 |
| Am7b5 -> D7b9 | Setup (Minor Key) | 2 |
| D7b9 -> Gm7 | Resolution (Minor) | 2 |
| Eb7 -> Abmaj7 | Resolution (Major) | 2 |
| Abmaj7 -> Db7 | Setup (Major Key) | 2 |
| Gm7 -> C7 | Setup (Major Key) | 2 |
| Db7 -> Abmaj7 | Resolution (Major) | 1 |
| Gm7b5 -> C7 | Setup (Minor Key) | 1 |
| C7 -> Fm7 | Resolution (Minor) | 1 |
| Dm7 -> G7 | Setup (Major Key) | 1 |
| C7 -> Fmaj7 | Resolution (Major) | 1 |
Harmonic Highlights
- The opening Fmaj7 against the stated F minor key center immediately establishes a major-minor modal ambiguity or temporary major tonicization.
- Frequent ii-V-I sequences resolve to both the relative major (Abmaj7) and the supertonic minor (Gm7), indicating clear modulatory sections.
- Backdoor dominant (Bbm7-Eb7 leading to Abmaj7/Fmaj7) and tritone substitution (Gb7 replacing C7 before F7) are employed for harmonic tension and resolution.
Improvisation Focus Chord-scale theory is essential to navigate the rapid key center shifts and varied dominant qualities.
Difficulty Rating 4 (Advanced) - The blend of major-minor tonality, frequent modulations, and use of advanced dominant substitutions requires a sophisticated harmonic understanding and ear.