Chord Distribution Analysis
| Chord Symbol | Count | Frequency |
|---|---|---|
| Bbmaj7 | 8 | 11.3% |
| Cm7 | 8 | 11.3% |
| Gm7 | 6 | 8.5% |
| F7 | 5 | 7.0% |
| Ebmaj7 | 5 | 7.0% |
| F6 | 3 | 4.2% |
| Fm7 | 3 | 4.2% |
| F7b9 | 2 | 2.8% |
Key Patterns Detected
| Pattern | Function | Frequency |
|---|---|---|
| Cm7 -> F7 | Setup (Major Key) | 5 |
| F7 -> Bbmaj7 | Resolution (Major) | 4 |
| Cm7 -> F7b9 | Setup (Major Key) | 2 |
| Fm7 -> Bb7 | Setup (Major Key) | 2 |
| Bb7 -> Ebmaj7 | Resolution (Major) | 2 |
| Am7 -> D7 | Setup (Major Key) | 1 |
| D7 -> Gm/maj7 | Resolution (Major) | 1 |
| Gm/maj7 -> C7#11 | Setup (Major Key) | 1 |
| C7#11 -> Gm7b5 | Resolution (Minor) | 1 |
| Gm7b5 -> C7 | Setup (Minor Key) | 1 |
| C7 -> Fmaj7 | Resolution (Major) | 1 |
| Gm7 -> C7 | Setup (Major Key) | 1 |
| Fm7 -> Bb7b9 | Setup (Major Key) | 1 |
| Bb7b9 -> Ebmaj7 | Resolution (Major) | 1 |
| Em7b5 -> A7 | Setup (Minor Key) | 1 |
🎼 Sheet Music
Find Lead Sheet on Sheet Music Direct (PDF)Harmonic Highlights
- The progression utilizes classic I-vi-ii-V cycles in Bb major, providing a stable diatonic foundation before introducing chromatic substitutions.
- A pivotal shift to the relative minor occurs via an Am7-D7 (ii-V of vi) leading to a Gm/maj7, which establishes a distinctive “line cliché” (G-Gb-F-E) within the harmonic movement.
- The bridge modulates to the dominant (F major) using a Gm7b5-C7 (ii-V of V), incorporating a Lydian Dominant sound via the C7#11.
- Extended dominant tensions, such as F7b9 and C7#11, are used to heighten melodic resolutions back to the tonic Bb major.
Improvisation Focus The Melodic Minor scale, particularly over the Gm/maj7 (G melodic minor) and the C7#11 (G melodic minor starting on C/Lydian Dominant).
Difficulty Rating 3 (Intermediate): Navigating the transition from diatonic Bb major to the specific tensions of the Gm/maj7 line cliché requires precise voice-leading and modal awareness.
📚 Standard Available in:
The Real Book - Volume III
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