Chord Distribution Analysis
| Chord Symbol | Count | Frequency |
|---|---|---|
| G7 | 8 | 21.1% |
| Dm7 | 7 | 18.4% |
| A7 | 4 | 10.5% |
| Cmaj7 | 4 | 10.5% |
| Em7 | 3 | 7.9% |
| E7#5 | 2 | 5.3% |
| Fmaj7 | 2 | 5.3% |
| A7#5 | 2 | 5.3% |
Key Patterns Detected
| Pattern | Function | Frequency |
|---|---|---|
| Dm7 -> G7 | Setup (Major Key) | 7 |
| A7 -> Dm7 | Resolution (Minor) | 4 |
| Em7 -> A7 | Setup (Major Key) | 3 |
| G7 -> Cmaj7 | Resolution (Major) | 3 |
| Gm7 -> C7 | Setup (Major Key) | 1 |
| C7 -> Fmaj7 | Resolution (Major) | 1 |
| A7#5 -> Dm7 | Resolution (Minor) | 1 |
| Em7b5 -> A7b9 | Setup (Minor Key) | 1 |
| A7b9 -> Dm7 | Resolution (Minor) | 1 |
Harmonic Highlights
- Frequent use of diatonic ii-V-I progressions (Dm7-G7-Cmaj7) and extended cycles (Em7-A7-Dm7-G7).
- Secondary dominants like A7 (V7/ii or V7/vi) often extend harmonic motion, sometimes implying minor resolutions.
- The E7#5 chord introduces a sharp altered dominant tension, leading to a characteristic deceptive resolution to Fmaj7 (V7/vi to IV).
Improvisation Focus Navigating and outlining the numerous ii-V-I progressions, incorporating melodic minor and altered scales for dominant chords.
Difficulty Rating 4 (Advanced Intermediate) - Requires keen harmonic recognition, command of varied scale applications, and precise voice leading over sophisticated changes.