Chord Distribution Analysis
| Chord Symbol | Count | Frequency |
|---|---|---|
| Dm7 | 3 | 13.6% |
| Cm7 | 3 | 13.6% |
| Bbmaj7 | 2 | 9.1% |
| Em7 | 2 | 9.1% |
| A7 | 2 | 9.1% |
| Abmaj7 | 2 | 9.1% |
| G7 | 2 | 9.1% |
| Gbmaj7 | 2 | 9.1% |
Key Patterns Detected
| Pattern | Function | Frequency |
|---|---|---|
| Em7 -> A7 | Setup (Major Key) | 2 |
| Dm7 -> G7 | Setup (Major Key) | 2 |
| Cm7 -> F7 | Setup (Major Key) | 2 |
| A7 -> Em7 | Resolution (Minor) | 1 |
| G7 -> Dm7 | Resolution (Minor) | 1 |
| F7 -> Cm7 | Resolution (Minor) | 1 |
| Dm7 -> G7b9 | Setup (Major Key) | 1 |
| G7b9 -> Cm7 | Resolution (Minor) | 1 |
| Cm7 -> F7b9 | Setup (Major Key) | 1 |
- Features a characteristic descending sequence of major 7th chords (Bbmaj7, Abmaj7, Gbmaj7) that often precede related ii-V progressions.
- Employs multiple ii-V progressions that sequentially target diatonic chords within F major, specifically vi (Em7-A7), V (Dm7-G7), and IV (Cm7-F7).
- The prominent use of bIVmaj7, bVImaj7, and bVIImaj7 provides rich modal color and temporary harmonic shifts, characteristic of bossa nova.
Improvisation Focus: Lydian mode application over the distinctive chromatic major 7th chords.
Difficulty Rating: 4. The frequent and rapid shifts between temporary key centers and the prominent chromatic major 7th chords demand agile modal navigation.