Chord Distribution Analysis
| Chord Symbol | Count | Frequency |
|---|---|---|
| Bbmaj7 | 4 | 17.4% |
| Eb7 | 4 | 17.4% |
| Cm7 | 3 | 13.0% |
| F7 | 3 | 13.0% |
| Ebmaj7 | 2 | 8.7% |
| Bb6 | 2 | 8.7% |
| Fm7 | 1 | 4.3% |
| Bb7 | 1 | 4.3% |
Key Patterns Detected
| Pattern | Function | Frequency |
|---|---|---|
| Cm7 -> F7 | Setup (Major Key) | 3 |
| Bbmaj7 -> Eb7 | Setup (Major Key) | 2 |
| Fm7 -> Bb7 | Setup (Major Key) | 1 |
| Bb7 -> Ebmaj7 | Resolution (Major) | 1 |
| Ebm7 -> Ab7 | Setup (Major Key) | 1 |
| Ab7 -> Dbmaj7 | Resolution (Major) | 1 |
| F7 -> Bbmaj7 | Resolution (Major) | 1 |
Harmonic Highlights
- Features recurring ii-V-I progressions, notably Fm7-Bb7-Ebmaj7 establishing the tonic, and Cm7-F7-Bbmaj7 tonicizing the dominant.
- The Eb7 (I7) chord suggests a blues inflection within the Eb major key or functions as a V7/Ab, anticipating a subdominant resolution.
- Incorporates a distinctive temporary modulation via Ebm7-Ab7-Dbmaj7, presenting a ii-V-I leading to the bVII major chord.
- The progression frequently oscillates between diatonic and non-diatonic tonal centers, demanding dynamic harmonic adaptation.
Improvisation Focus Modal playing over rapidly shifting ii-V-I sequences and dominant functions.
Difficulty Rating 4 (Advanced Intermediate) – The blend of functional harmony with non-diatonic ii-V-I progressions and a bluesy I7 chord requires sophisticated harmonic understanding and agility.