Chord Distribution Analysis
| Chord Symbol | Count | Frequency |
|---|---|---|
| Am7 | 6 | 14.0% |
| D7 | 6 | 14.0% |
| Gmaj7 | 5 | 11.6% |
| F7 | 4 | 9.3% |
| Em7 | 3 | 7.0% |
| G#07 | 2 | 4.7% |
| Dm7 | 2 | 4.7% |
| G7 | 2 | 4.7% |
Key Patterns Detected
| Pattern | Function | Frequency |
|---|---|---|
| Am7 -> D7 | Setup (Major Key) | 4 |
| Dm7 -> G7 | Setup (Major Key) | 2 |
| G7 -> Cmaj7 | Resolution (Major) | 2 |
| Cmaj7 -> F7 | Setup (Major Key) | 2 |
| Bm7b5 -> E7b9 | Setup (Minor Key) | 2 |
| E7b9 -> Am7 | Resolution (Minor) | 2 |
| Cm7 -> F7 | Setup (Major Key) | 2 |
| Bm7 -> E7 | Setup (Major Key) | 1 |
| E7 -> Am7 | Resolution (Minor) | 1 |
| D7 -> Gmaj7 | Resolution (Major) | 1 |
Harmonic Highlights:
- G#07 functions as a chromatic passing diminished chord (Gmaj7 - G#07 - Am7), creating tension and smooth voice leading.
- Backdoor dominant (F7-Gmaj7) and minor iv (Cm7-F7-Gmaj7) progressions are prominent, offering sophisticated harmonic resolutions to the tonic.
- Eb7 acts as a tritone substitute for A7 (V7 of D7), generating a bVI7-V7 movement before the D7 chord.
- Frequent secondary ii-V progressions (Dm7-G7 to C, Bm7b5-E7b9 to Am) drive temporary tonicizations to the IV and vi chords.
Improvisation Focus: Arpeggio outlining and judicious chord-scale application over rapid harmonic changes.
Difficulty Rating: 4 (Advanced Intermediate). The blend of standard changes with multiple substitutions and chromaticism demands a solid grasp of jazz harmony.