Chord Distribution Analysis
| Chord Symbol | Count | Frequency |
|---|---|---|
| Bb7 | 7 | 58.3% |
| Eb7 | 3 | 25.0% |
| Cm7 | 1 | 8.3% |
| F7 | 1 | 8.3% |
Key Patterns Detected
| Pattern | Function | Frequency |
|---|---|---|
| Cm7 -> F7 | Setup (Major Key) | 1 |
Harmonic Highlights:
- The progression initiates on the V7 chord (Bb7) for four bars, prolonging the dominant harmony before moving to the I7.
- Consistent utilization of the I7 chord (Eb7) instead of a tonic major 7th, characteristic of blues forms.
- Features a vi7-II7-V7 turnaround (Cm7-F7-Bb7), where the II7 (F7) acts as a V7/V, enhancing dominant motion.
- The prevalence of dominant 7th chords throughout the form (Bb7, Eb7, F7) facilitates ample dominant melodic exploration.
Improvisation Focus: Mixolydian modes over each respective dominant 7th chord.
Difficulty Rating: 3 (Intermediate) – While a blues, the initial V7 harmony and the specific vi7-II7-V7 turnaround require focused harmonic understanding beyond basic blues.