Chord Distribution Analysis
| Chord Symbol | Count | Frequency |
|---|---|---|
| Bbm7 | 9 | 22.5% |
| F#m7 | 8 | 20.0% |
| B7 | 8 | 20.0% |
| B7#11 | 4 | 10.0% |
| Fm7 | 2 | 5.0% |
| Eb7 | 2 | 5.0% |
| Abm7 | 2 | 5.0% |
| Db7 | 2 | 5.0% |
Key Patterns Detected
| Pattern | Function | Frequency |
|---|---|---|
| F#m7 -> B7 | Setup (Major Key) | 8 |
| B7 -> F#m7 | Resolution (Minor) | 5 |
| Bbm7 -> Eb7 | Setup (Major Key) | 2 |
| Eb7 -> Abm7 | Resolution (Minor) | 2 |
| Abm7 -> Db7 | Setup (Major Key) | 2 |
| B7#11 -> F#m7 | Resolution (Minor) | 1 |
| E7 -> Amaj7 | Resolution (Major) | 1 |
| C7 -> Fm7 | Resolution (Minor) | 1 |
- Features a rapid sequence of descending ii-V progressions (e.g., Bbm7-Eb7, Abm7-Db7), creating successive temporary tonicizations.
- The use of
B7#11functions as a Lydian dominant, leading to the ii-V of IV (F#m7-B7), adding distinct harmonic color and tension. - The extended phrase of
F#m7-B7establishes a prolonged focus on the subdominant region (E major) within the primary B major key center.
Improvisation Focus: Chord-scale application, precisely navigating the rapid modulations and specific alterations (e.g., Lydian Dominant for #11 chords).
Difficulty Rating: 5 (Advanced). The complex, non-diatonic ii-V sequences and specific altered dominant voicings require sophisticated harmonic understanding.