Chord Distribution Analysis
| Chord Symbol | Count | Frequency |
|---|---|---|
| Gm7 | 6 | 13.6% |
| Am7 | 5 | 11.4% |
| D7 | 5 | 11.4% |
| C7 | 4 | 9.1% |
| Bbmaj7 | 3 | 6.8% |
| F6 | 3 | 6.8% |
| Fmaj7 | 2 | 4.5% |
| B7#11 | 2 | 4.5% |
Key Patterns Detected
| Pattern | Function | Frequency |
|---|---|---|
| Am7 -> D7 | Setup (Major Key) | 5 |
| Gm7 -> C7 | Setup (Major Key) | 4 |
| D7 -> Gm7 | Resolution (Minor) | 3 |
| Bbm7 -> Eb7 | Setup (Major Key) | 1 |
| Eb7 -> Abmaj7 | Resolution (Major) | 1 |
| C7 -> Fmaj7 | Resolution (Major) | 1 |
| Bm7b5 -> E7b9 | Setup (Minor Key) | 1 |
| A7 -> Dm7 | Resolution (Minor) | 1 |
| Cm7 -> F7 | Setup (Major Key) | 1 |
| F7 -> Bbmaj7 | Resolution (Major) | 1 |
| D7#5 -> Gm7 | Resolution (Minor) | 1 |
🎼 Sheet Music
Find Lead Sheet on Sheet Music Direct (PDF)Harmonic Highlights
- Chromatic resolution from Fmaj7 to B7#11 (subV/IV) leading to Bbmaj7 creates a sophisticated opening tension.
- Recurring iii-VI-ii-V chains (Am7-D7-Gm7-C7) define the structural functional backbone in the home key of F major.
- An abrupt modulation to the bIII key (Ab major) via a ii-V-I (Bbm7-Eb7-Abmaj7) represents a classic Porter tonal shift.
- Use of subV/ii (Ab7 to Gm7) bridges diatonic sections with smooth, non-diatonic chromaticism.
Improvisation Focus Guide-tone voice leading across rapid tonal shifts.
Difficulty Rating 3/5: The frequent modulations to the distant Ab major key require advanced harmonic awareness to maintain melodic continuity.