Chord Distribution Analysis
| Chord Symbol | Count | Frequency |
|---|---|---|
| Bb7 | 4 | 15.4% |
| Ebmaj7 | 4 | 15.4% |
| Bmaj7 | 3 | 11.5% |
| D7 | 3 | 11.5% |
| Gmaj7 | 3 | 11.5% |
| F#7 | 3 | 11.5% |
| Am7 | 2 | 7.7% |
| Fm7 | 2 | 7.7% |
Key Patterns Detected
| Pattern | Function | Frequency |
|---|---|---|
| Bb7 -> Ebmaj7 | Resolution (Major) | 4 |
| D7 -> Gmaj7 | Resolution (Major) | 3 |
| Am7 -> D7 | Setup (Major Key) | 2 |
| F#7 -> Bmaj7 | Resolution (Major) | 2 |
| Fm7 -> Bb7 | Setup (Major Key) | 2 |
| C#m7 -> F#7 | Setup (Major Key) | 2 |
🎼 Sheet Music
Find Lead Sheet on Sheet Music Direct (PDF)Harmonic Highlights
- The progression utilizes “Coltrane Changes,” cycling through B, G, and Eb major tonalities by dividing the octave into equidistant major thirds.
- Rapid tonicization occurs via back-to-back V7-I resolutions (D7-Gmaj7, Bb7-Ebmaj7, F#7-Bmaj7), forcing the soloist to modulate every two beats in the first section.
- The structure balances these high-frequency key shifts with standard ii-V-I cadences in the latter half, though they continue to target the three distinct tonal centers.
Improvisation Focus Digital patterns (specifically 1-2-3-5) and arpeggio-based outlines to maintain melodic logic over rapid non-diatonic key changes.
Difficulty Rating 5/5: The combination of high-speed modulations between distantly related keys and a fast tempo requires elite-level technical facility and harmonic visualization.
📚 Standard Available in:
The Real Book - Volume I
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