Chord Distribution Analysis
| Chord Symbol | Count | Frequency |
|---|---|---|
| Bbm7 | 10 | 20.0% |
| Gm7b5 | 8 | 16.0% |
| F7b9 | 6 | 12.0% |
| Bbm7/Ab | 4 | 8.0% |
| Bbm7/F | 4 | 8.0% |
| Cm7b5 | 4 | 8.0% |
| Ab7 | 4 | 8.0% |
| Gb7 | 4 | 8.0% |
Key Patterns Detected
| Pattern | Function | Frequency |
|---|---|---|
| F7b9 -> Bbm7 | Resolution (Minor) | 6 |
| Cm7b5 -> F7b9 | Setup (Minor Key) | 2 |
| Cm7b5 -> F7 | Setup (Minor Key) | 2 |
| F7 -> Bbm7 | Resolution (Minor) | 2 |
🎼 Sheet Music
Find Lead Sheet on Sheet Music Direct (PDF)Harmonic Highlights
- The progression utilizes a minor line cliché (Bb-Ab-G-Gb), creating smooth chromatic voice-leading through the bass while maintaining the tonic Bb minor quality.
- Standard minor ii-V-I cadences (Cm7b5 to F7b9) provide structural gravity and clear functional resolutions back to the tonic.
- The E°7 chord functions as a passing diminished chord or rootless secondary dominant (C7b9), intensifying the pull toward the V7 (F7).
- Incorporates a bVII7 to bVI7 (Ab7 to Gb7) movement, characteristic of soul-jazz and blues-based minor themes.
Improvisation Focus Bb Blues scale combined with Bb Melodic Minor.
Difficulty Rating 3 (Intermediate): While the bluesy feel is accessible, navigating the minor ii-V-I turnarounds and descending chromatic bass lines requires solid harmonic awareness.
📚 Standard Available in:
The Real Book - Volume II
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