Chord Distribution Analysis
| Chord Symbol | Count | Frequency |
|---|---|---|
| Bb7 | 5 | 35.7% |
| Cm7 | 3 | 21.4% |
| F7 | 3 | 21.4% |
| Eb7 | 1 | 7.1% |
| Ebm7 | 1 | 7.1% |
| C#m7 | 1 | 7.1% |
Key Patterns Detected
| Pattern | Function | Frequency |
|---|---|---|
| Cm7 -> F7 | Setup (Major Key) | 3 |
| Ebm7 -> Bb7 | Setup (Major Key) | 1 |
Harmonic Highlights:
- Prevalence of ii-V-I progressions in various keys, quickly tonicizing temporary ‘I’s.
- Chromatic approach chords and tritone substitutions, such as C#m7 leading to Cm7.
- The distinctive Eb7-Ebm7-Bb7 sequence, featuring non-diatonic movement before resolving to the V7.
Improvisation Focus: Chromaticism, including bebop scales and arpeggio superimposition.
Difficulty Rating: 5 (Advanced). Its fast tempo, numerous rapid chord changes, and frequent non-diatonic substitutions require sophisticated improvisational facility.