Chord Distribution Analysis
| Chord Symbol | Count | Frequency |
|---|---|---|
| A7 | 7 | 20.6% |
| D7 | 6 | 17.6% |
| C#m7 | 4 | 11.8% |
| F#7b9 | 3 | 8.8% |
| Bm7 | 3 | 8.8% |
| Em7 | 2 | 5.9% |
| A7#5 | 2 | 5.9% |
| E7#9 | 2 | 5.9% |
Key Patterns Detected
| Pattern | Function | Frequency |
|---|---|---|
| A7 -> Em7 | Resolution (Minor) | 2 |
| Em7 -> A7#5 | Setup (Major Key) | 2 |
| C#m7 -> F#7b9 | Setup (Major Key) | 2 |
| F#7b9 -> Bm7 | Resolution (Minor) | 2 |
| Bm7 -> E7#9 | Setup (Major Key) | 1 |
| Bm7 -> E7 | Setup (Major Key) | 1 |
Harmonic Highlights:
- Establishes a blues-influenced I7-IV7 feel (A7, D7) within an A major key center.
- Features prominent secondary dominant motion with A7#5 resolving to D7 (V7/IV to IV).
- Incorporates a complex ii-V-I in B minor (C#m7-F#7b9-Bm7) and a chromatic descent of minor 7th chords (C#m7-Cm7-Bm7).
- Utilizes a Dmaj7 to Dm7 shift, adding a minor plagal color before resolving via ii-V (Bm7-E7#9) to the tonic.
Improvisation Focus: Chord Tone Soloing with strategic modal application.
Difficulty Rating: 5 (Advanced) This standard demands advanced harmonic understanding due to its rapid chord changes, numerous non-diatonic chords, and complex modulations.