Chord Distribution Analysis
| Chord Symbol | Count | Frequency |
|---|---|---|
| Eb7 | 12 | 35.3% |
| Bbm7 | 11 | 32.4% |
| Abmaj7 | 6 | 17.6% |
| Cmaj7 | 4 | 11.8% |
| Db9#11 | 1 | 2.9% |
Key Patterns Detected
| Pattern | Function | Frequency |
|---|---|---|
| Bbm7 -> Eb7 | Setup (Major Key) | 11 |
| Eb7 -> Bbm7 | Resolution (Minor) | 7 |
| Eb7 -> Abmaj7 | Resolution (Major) | 4 |
- Establishes Ab major through frequent, foundational ii-V-I progressions (Bbm7-Eb7-Abmaj7).
- Features an abrupt, non-diatonic modulation from Abmaj7 to Cmaj7, a major third relationship.
- Utilizes a Db9#11 chord (tritone substitution for G7) resolving to Cmaj7, reinforcing the temporary tonicization of C.
- Contrasts the C major section with a return to the Ab major ii-V-I framework, creating harmonic tension and release.
Improvisation Focus: Adapting to sudden, non-diatonic tonicizations.
Difficulty Rating: 3 (Intermediate) While the primary ii-V-I structure is straightforward, the abrupt, non-diatonic modulation to C major and its subsequent resolution demands attentive harmonic navigation.