Chord Distribution Analysis
| Chord Symbol | Count | Frequency |
|---|---|---|
| Dm7 | 7 | 13.5% |
| G7 | 7 | 13.5% |
| Am7 | 5 | 9.6% |
| Cmaj7 | 4 | 7.7% |
| Em7 | 4 | 7.7% |
| A7 | 4 | 7.7% |
| D7 | 3 | 5.8% |
| Bm7 | 2 | 3.8% |
Key Patterns Detected
| Pattern | Function | Frequency |
|---|---|---|
| Dm7 -> G7 | Setup (Major Key) | 6 |
| Em7 -> A7 | Setup (Major Key) | 3 |
| Bm7 -> E7 | Setup (Major Key) | 2 |
| Bbm7 -> Eb7 | Setup (Major Key) | 2 |
| Am7 -> D7 | Setup (Major Key) | 2 |
| Abm7 -> Db7 | Setup (Major Key) | 2 |
| A7 -> Dmaj7 | Resolution (Major) | 2 |
| A7 -> Em7 | Resolution (Minor) | 1 |
| G7 -> Dm7 | Resolution (Minor) | 1 |
| Dm7 -> G7sus | Setup (Major Key) | 1 |
| G7sus -> Cmaj7 | Resolution (Major) | 1 |
| A7#5 -> Dm7 | Resolution (Minor) | 1 |
🎼 Sheet Music
Find Lead Sheet on Sheet Music Direct (PDF)Harmonic Highlights
- The progression utilizes a foundational I-vi-ii-V turnaround in the tonic (C major), characteristic of Great American Songbook ballads.
- It features a signature sequence of descending chromatic ii-V cells (Bm7-E7 to Bbm7-Eb7 to Am7-D7 to Abm7-Db7), creating sophisticated tension that delays the resolution to the tonic.
- The harmony employs tritone substitutions, specifically using the bII7 (Db7) as a functional substitute for the V7 (G7) to create smooth chromatic bass movement.
Improvisation Focus Voice leading through descending chromatic ii-V chains using the Mixolydian or Lydian Dominant scales.
Difficulty Rating 3/5: While the form is a standard AABA, the rapid succession of shifting ii-V centers requires intermediate-level harmonic navigation and precise timing.
📚 Standard Available in:
The Real Book - Volume I
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