Chord Distribution Analysis
| Chord Symbol | Count | Frequency |
|---|---|---|
| Bbm7 | 5 | 11.6% |
| F7 | 5 | 11.6% |
| Cm7 | 5 | 11.6% |
| C7#5#9 | 4 | 9.3% |
| Eb7sus | 2 | 4.7% |
| Eb7b9 | 2 | 4.7% |
| Ab07 | 2 | 4.7% |
| Abmaj7 | 2 | 4.7% |
Key Patterns Detected
| Pattern | Function | Frequency |
|---|---|---|
| Cm7 -> F7 | Setup (Major Key) | 3 |
| Bbm7 -> Eb7sus | Setup (Major Key) | 2 |
| F7 -> Cm7 | Resolution (Minor) | 2 |
| F7 -> Bbm7 | Resolution (Minor) | 2 |
| Bbm7 -> Eb7 | Setup (Major Key) | 2 |
| Gm7b5 -> C7b13 | Setup (Minor Key) | 1 |
| C7b13 -> Fm7 | Resolution (Minor) | 1 |
| Fm7 -> Bb7 | Setup (Major Key) | 1 |
| Cm7b5 -> F7b9 | Setup (Minor Key) | 1 |
| F7b9 -> Bbm7 | Resolution (Minor) | 1 |
| Dbm7 -> Gb7 | Setup (Major Key) | 1 |
🎼 Sheet Music
Find Lead Sheet on Sheet Music Direct (PDF)Harmonic Highlights
- Utilizes frequent secondary dominants (C7#5#9 to F7, F7 to Bbm7) to create sophisticated “circle of fifths” movement within Ab major.
- Employs chromatic diminished passing chords (Ab°7) to bridge the tonic and the supertonic (Bbm7), a hallmark of early 20th-century songwriting.
- Incorporates minor ii-V-i cells (Gm7b5–C7b13 to Fm7), providing a poignant temporary modulation to the relative minor.
- Features a prominent II7 (Bb7) functioning as the dominant of the dominant (V/V), heightening the tension before the final cadence.
Improvisation Focus
Guide Tone Navigation: Target the resolution of 3rds and 7ths to smoothly voice-lead through the rapid succession of secondary dominants and altered tensions.
Difficulty Rating
3/5: While the primary key remains stable, the frequent secondary dominants and minor-ii-V incursions require a solid grasp of chromatic voice leading and altered scale applications.
📚 Standard Available in:
The Real Book - Volume III
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