Chord Distribution Analysis
| Chord Symbol | Count | Frequency |
|---|---|---|
| Abmaj7 | 9 | 12.5% |
| Eb7sus | 6 | 8.3% |
| Db7 | 5 | 6.9% |
| Eb7 | 5 | 6.9% |
| C7 | 4 | 5.6% |
| F7 | 4 | 5.6% |
| Dbmaj7 | 3 | 4.2% |
| Bbm7 | 3 | 4.2% |
Key Patterns Detected
| Pattern | Function | Frequency |
|---|---|---|
| Abmaj7 -> Eb7sus | Setup (Major Key) | 4 |
| Eb7sus -> Abmaj7 | Resolution (Major) | 4 |
| Dbmaj7 -> Gb7sus | Setup (Major Key) | 2 |
| Abmaj7 -> Db7 | Setup (Major Key) | 2 |
| F7 -> Bbm7 | Resolution (Minor) | 2 |
| Eb7 -> Abmaj7 | Resolution (Major) | 1 |
| Eb7b9 -> Abmaj7 | Resolution (Major) | 1 |
- Extensive use of tritone substitutions and altered dominant chords (e.g., D7 for Eb7; Gb7sus for C7) creating rich chromatic voice leading.
- The progression frequently features secondary dominants and non-functional chromatic movements (e.g., D7-Dbmaj7), enhancing harmonic density and complexity.
- Complex dominant preparations to the tonic F minor (
E7, Eb7, Db7, C9, C7b9) utilize both diatonic and non-diatonic dominant functions. - Modal ambiguity is introduced early with tonicization of bIII (Abmaj7) and maintained through frequent shifts in chord quality leading to altered F major/minor resolutions.
Improvisation Focus: Navigating altered dominant and tritone substitution relationships with the Altered Scale.
Difficulty Rating: 4 (Advanced). Requires sophisticated understanding of altered dominant functions, tritone substitutions, and non-diatonic voice leading to navigate complex harmonic movements.