Chord Distribution Analysis
| Chord Symbol | Count | Frequency |
|---|---|---|
| Bbmaj7 | 6 | 23.1% |
| C7 | 3 | 11.5% |
| G7b5 | 2 | 7.7% |
| C7#11 | 2 | 7.7% |
| F7#5 | 2 | 7.7% |
| Ebmaj7 | 2 | 7.7% |
| G7 | 2 | 7.7% |
| Fm7 | 1 | 3.8% |
Key Patterns Detected
| Pattern | Function | Frequency |
|---|---|---|
| Fm7 -> Bb7 | Setup (Major Key) | 1 |
| Bb7 -> Ebmaj7 | Resolution (Major) | 1 |
| Em7b5 -> A7 | Setup (Minor Key) | 1 |
| A7 -> Dm7 | Resolution (Minor) | 1 |
| F7 -> Bbmaj7 | Resolution (Major) | 1 |
🎼 Sheet Music
Find Lead Sheet on Sheet Music Direct (PDF)Harmonic Highlights
- The progression utilizes a “Cycle of Fourths” chain of secondary dominants (G7-C7-F7) enhanced with #11 and #5 alterations to prioritize Ellingtonian “color” over strict diatonic resolution.
- A sophisticated harmonic pivot occurs as the V7 chord morphs into a ii-V of IV (Fm7-Bb7 to Ebmaj7), momentarily shifting the tonal center to the subdominant.
- The sequence employs chromatic side-slipping (C7 to B7 to Bbmaj7), using a non-functional dominant approach to create a smooth, sophisticated re-entry to the I chord.
Improvisation Focus
The Lydian Dominant scale (4th mode of Melodic Minor) to navigate the sequence of dominant 7th chords with #11 extensions.
Difficulty Rating
4 (Advanced): Navigating the dense sequence of altered dominants and rapid secondary ii-V progressions requires sophisticated chord-scale knowledge and precise melodic voice-leading.
📚 Standard Available in:
The Real Book - Volume I
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