Chord Distribution Analysis
| Chord Symbol | Count | Frequency |
|---|---|---|
| Em7b5 | 4 | 12.5% |
| A7b9 | 4 | 12.5% |
| Gm7 | 3 | 9.4% |
| C7 | 3 | 9.4% |
| Fmaj7 | 2 | 6.2% |
| Bm7b5 | 2 | 6.2% |
| E7b9 | 2 | 6.2% |
| Am7b5 | 2 | 6.2% |
Key Patterns Detected
| Pattern | Function | Frequency |
|---|---|---|
| Gm7 -> C7 | Setup (Major Key) | 3 |
| Em7b5 -> A7b9 | Setup (Minor Key) | 2 |
| A7b9 -> Em7b5 | Resolution (Minor) | 1 |
| Cm7 -> F7 | Setup (Major Key) | 1 |
| F7 -> Bbmaj7 | Resolution (Major) | 1 |
| Bbmaj7 -> Eb7 | Setup (Major Key) | 1 |
| C7 -> Fmaj7 | Resolution (Major) | 1 |
| Bm7b5 -> E7b9 | Setup (Minor Key) | 1 |
| E7b9 -> Am7b5 | Resolution (Minor) | 1 |
| Am7b5 -> D7b9 | Setup (Minor Key) | 1 |
| D7b9 -> Gm7 | Resolution (Minor) | 1 |
🎼 Sheet Music
Find Lead Sheet on Sheet Music Direct (PDF)Harmonic Highlights
- The progression utilizes an extended minor ii-V (Em7b5–A7b9) to establish a dark D minor tonality before any tonic resolution occurs.
- Rapid modulation via sequential ii-V-I patterns moves through Bb major and F major, demonstrating a shift from the tonic minor to its relative major landscape.
- The inclusion of Eb7 acts as a tritone substitute (subV/V) or a Neapolitan-style chord, bridging the gap between the Bb and F major sections.
- Secondary tonal centers are explored through a ii-V in A minor (Bm7b5–E7b9), momentarily targeting the dominant minor key.
Improvisation Focus D Harmonic Minor (over the A7b9 dominants) to emphasize the b9 and b13 intervals essential to the minor jazz language.
Difficulty Rating 3/5: Navigating the frequent minor ii-V-I cells and shifting tonal centers requires precise voice leading and a strong grasp of minor-key alterations.
📚 Standard Available in:
The Real Book - Volume III
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