Chord Distribution Analysis
| Chord Symbol | Count | Frequency |
|---|---|---|
| Dbmaj7 | 4 | 14.3% |
| Fm6 | 2 | 7.1% |
| C7b9 | 2 | 7.1% |
| Fm7 | 2 | 7.1% |
| Gb7#11 | 2 | 7.1% |
| Ab6 | 2 | 7.1% |
| Gm7b5 | 1 | 3.6% |
| Db/F | 1 | 3.6% |
Key Patterns Detected
| Pattern | Function | Frequency |
|---|---|---|
| Gm7b5 -> C7b9 | Setup (Minor Key) | 1 |
| Ebm7 -> Ab7 | Setup (Major Key) | 1 |
| Ab7 -> Dbmaj7 | Resolution (Major) | 1 |
| Dbmaj7 -> Gb7#11 | Setup (Major Key) | 1 |
| Gb7#11 -> Dbmaj7 | Resolution (Major) | 1 |
| Dbm7 -> Gb7 | Setup (Major Key) | 1 |
| Cm7 -> F7 | Setup (Major Key) | 1 |
| C7b9 -> Fm7 | Resolution (Minor) | 1 |
| Fm7 -> Bb7 | Setup (Major Key) | 1 |
| Bbm7 -> Eb7 | Setup (Major Key) | 1 |
🎼 Sheet Music
Find Lead Sheet on Sheet Music Direct (PDF)Harmonic Highlights
- The progression demonstrates Cole Porter’s signature “minor-to-major” transition, moving from an initial F minor tonality to the relative major (Db major).
- Employs a minor ii-V-i (Gm7b5 - C7b9 - Fm6) to establish harmonic tension before resolving to the more stable Db major via a ii-V (Ebm7 - Ab7).
- Utilizes the Gb7#11 as a “back-door” dominant resolution to Dbmaj7, necessitating Lydian Dominant applications.
- Integrates parallel minor shifts (Dbm7 to Gb7) to briefly destabilize the key center before returning to the primary Ab/Fm axis.
Improvisation Focus Modal interchange navigation, specifically managing the shift between minor and major tonal centers.
Difficulty Rating 3/5: The tune requires fluidly switching between minor and major scales and navigating non-diatonic “back-door” dominants, though it remains within functional jazz boundaries.
đź“š Standard Available in:
The Real Book - Volume III
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