Chord Distribution Analysis
| Chord Symbol | Count | Frequency |
|---|---|---|
| Gm7 | 7 | 19.4% |
| C7 | 7 | 19.4% |
| Bb7 | 4 | 11.1% |
| Am7 | 4 | 11.1% |
| Fmaj7 | 2 | 5.6% |
| Ab07 | 2 | 5.6% |
| D7 | 2 | 5.6% |
| F6 | 2 | 5.6% |
Key Patterns Detected
| Pattern | Function | Frequency |
|---|---|---|
| Gm7 -> C7 | Setup (Major Key) | 7 |
| C7 -> Gm7 | Resolution (Minor) | 2 |
| C7 -> Fmaj7 | Resolution (Major) | 2 |
| Fmaj7 -> Bb7 | Setup (Major Key) | 2 |
| Am7 -> D7 | Setup (Major Key) | 2 |
| Bm7 -> E7 | Setup (Major Key) | 1 |
| Am7b5 -> D7b9 | Setup (Minor Key) | 1 |
| D7b9 -> Gm7 | Resolution (Minor) | 1 |
| D7 -> Gm7 | Resolution (Minor) | 1 |
- Standard ii-V-I progressions (Gm7-C7-Fmaj7) form the foundational structure.
- Chromatic voice leading is employed with the Am7-Ab07-Gm7 sequence, where Ab07 provides tension.
- Frequent secondary dominants (D7, E7) drive temporary modulations, notably the Bm7-E7-A6 tonicization of A.
- A minor iiø-V7 (Am7b5-D7b9) resolution to the supertonic (Gm7) adds a sophisticated harmonic twist.
Improvisation Focus: Mixolydian scales and their altered variants over the numerous dominant chords.
Difficulty Rating: 4 (Advanced Intermediate) – The rapid modulations, diminished chords, and altered dominants demand a sophisticated understanding of harmony.