Chord Distribution Analysis
| Chord Symbol | Count | Frequency |
|---|---|---|
| Bb7 | 16 | 34.8% |
| Eb7 | 4 | 8.7% |
| F7 | 4 | 8.7% |
| B7/F | 4 | 8.7% |
| Cm7 | 2 | 4.3% |
| Ab7 | 2 | 4.3% |
| G7 | 2 | 4.3% |
| Gb7 | 2 | 4.3% |
Key Patterns Detected
| Pattern | Function | Frequency |
|---|---|---|
| Cm7 -> F7 | Setup (Major Key) | 2 |
Harmonic Highlights
- The progression opens with a foundational I7-IV7-I7 movement, establishing a bluesy Bb major tonality.
- A clear ii-V-I progression (Cm7-F7-Bb7) firmly outlines the Bb major key center after the initial blues sequence.
- A distinctive descending chromatic dominant sequence (Ab7-G7-Gb7-F7) introduces significant harmonic tension and rapid modulation.
Improvisation Focus Navigating the series of descending chromatic dominant 7th chords.
Difficulty Rating 4 (Advanced Intermediate). The rapid, chromatic dominant changes require precise melodic targeting and scale application beyond standard diatonic playing.