Chord Distribution Analysis
| Chord Symbol | Count | Frequency |
|---|---|---|
| Gmaj7 | 6 | 16.2% |
| Am7 | 5 | 13.5% |
| D7 | 5 | 13.5% |
| D7#5 | 4 | 10.8% |
| Em7 | 3 | 8.1% |
| A7 | 3 | 8.1% |
| Bm7 | 2 | 5.4% |
| E7 | 2 | 5.4% |
Key Patterns Detected
| Pattern | Function | Frequency |
|---|---|---|
| Am7 -> D7 | Setup (Major Key) | 5 |
| Gmaj7 -> D7#5 | Setup (Major Key) | 4 |
| D7#5 -> Gmaj7 | Resolution (Major) | 4 |
| Em7 -> A7 | Setup (Major Key) | 3 |
| Bm7 -> E7 | Setup (Major Key) | 2 |
| Dm7 -> G7 | Setup (Major Key) | 1 |
| G7 -> Cmaj7 | Resolution (Major) | 1 |
| Cmaj7 -> G7#5 | Setup (Major Key) | 1 |
| B7 -> Em7 | Resolution (Minor) | 1 |
| D7 -> Am7 | Resolution (Minor) | 1 |
| D7 -> Gmaj7 | Resolution (Major) | 1 |
Harmonic Highlights:
- The opening Gmaj7, D7#5, Gmaj7 progression utilizes an altered dominant, establishing a characteristic jazz sound.
- Extended ii-V movements, notably E7, Em7, A7, Am7, D7, create continuous forward harmonic motion through implied keys.
- A clear ii-V-I progression (Dm7, G7, Cmaj7) tonicizes the subdominant (IV), a common jazz harmonic detour.
- Secondary dominants like B7 (V/iii) are employed for temporary tonicizations and added color.
Improvisation Focus: Navigating Mixolydian and Altered scales over the frequent dominant chords.
Difficulty Rating: 4 (Advanced Intermediate) - The rapid chord changes, secondary dominants, and altered chords require sophisticated melodic and harmonic understanding.