Chord Distribution Analysis
| Chord Symbol | Count | Frequency |
|---|---|---|
| Bbm7 | 14 | 25.9% |
| Gbmaj7 | 6 | 11.1% |
| F7#9 | 4 | 7.4% |
| Ab/Bb | 3 | 5.6% |
| Ab | 2 | 3.7% |
| Ebm7 | 2 | 3.7% |
| Dbmaj7 | 2 | 3.7% |
| Bmaj7 | 2 | 3.7% |
No obvious ii-V patterns detected.
Harmonic Highlights:
- The primary progression cycles between i minor (Bbm7) and bVI Major (Gbmaj7), establishing a clear minor tonality with a natural minor (Aeolian) character.
- A strong V7#9 altered dominant (F7#9) resolves to the tonic minor (Bbm7), providing classic tension and release within the minor key.
- The bVII Major chord (Ab) appears after the V7#9, creating a temporary modal interlude or delayed tonic resolution before returning to Bbm7.
- A section features a i-iv-bIII progression (Bbm7-Ebm7-Dbmaj7), further reinforcing the natural minor mode through diatonic chord movement.
Improvisation Focus: Bb natural minor scale (Aeolian mode), with specific alterations for the F7#9 dominant.
Difficulty Rating: 3 (Intermediate) - While rooted in a consistent minor key, the altered dominant and the bVII chord movement demand specific harmonic understanding.