Chord Distribution Analysis
| Chord Symbol | Count | Frequency |
|---|---|---|
| Cmaj7 | 2 | 11.1% |
| A7b9 | 2 | 11.1% |
| Dm7 | 2 | 11.1% |
| Bmaj7 | 1 | 5.6% |
| Bbmaj7#11 | 1 | 5.6% |
| Fm7 | 1 | 5.6% |
| Bb7 | 1 | 5.6% |
| E13 | 1 | 5.6% |
Key Patterns Detected
| Pattern | Function | Frequency |
|---|---|---|
| A7b9 -> Dm7 | Resolution (Minor) | 1 |
| Fm7 -> Bb7 | Setup (Major Key) | 1 |
| F7 -> Cmaj7 | Resolution (Major) | 1 |
Harmonic Highlights:
- Prominent chromatic descent of major 7th chords (Cmaj7 - Bmaj7 - Bbmaj7#11), creating sophisticated, non-functional voice leading.
- Extensive use of altered dominants (e.g., A7b9, E7b13, D7#9) and tritone substitutions (Bbmaj7#11, Db7#11) for heightened tension and resolution.
- Sections feature a chain of dominant 7ths (D7#9-G7-C7-F7), indicating frequent secondary dominant usage or transient modulations.
- Brief, unexpected modulations, like the ii-V in Eb major (Fm7-Bb7), add complex tonal colors within the A minor framework.
Improvisation Focus: Melodic Minor modes (especially Altered and Lydian Dominant) are essential.
Difficulty Rating: 5 (Advanced) – The constant chromaticism, non-diatonic movements, and rapid harmonic rhythm demand a high level of harmonic sophistication.