Chord Distribution Analysis

Chord SymbolCountFrequency
Cm7510.2%
G7b948.2%
Am7b548.2%
D7b948.2%
Gm748.2%
Fm748.2%
Bb748.2%
Dm7b536.1%

Key Patterns Detected

PatternFunctionFrequency
Am7b5 -> D7b9Setup (Minor Key)4
D7b9 -> Gm7Resolution (Minor)4
Dm7b5 -> G7b9Setup (Minor Key)3
G7b9 -> Cm7Resolution (Minor)3
Fm7 -> Bb7Setup (Major Key)3
Bb7 -> Ebmaj7Resolution (Major)1
Gm7b5 -> C7b9Setup (Minor Key)1
C7b9 -> Fm7Resolution (Minor)1
Abm7 -> Db7Setup (Major Key)1
G7 -> Cm7Resolution (Minor)1
Cm7 -> F7Setup (Major Key)1

Harmonic Highlights

  • Employs a primary minor ii-V-i (Dm7b5-G7b9-Cm7) followed by a secondary ii-V (Am7b5-D7b9) to modulate to the dominant minor key, G minor.
  • Shifts to the relative major via a standard ii-V-I in Eb major (Fm7-Bb7-Eb7), providing tonal contrast before returning to C minor.
  • Utilizes chromatic voice leading and tritone-adjacent dominant movement (B7 to Bb7) to navigate the turnaround and bridge key centers.
  • Incorporates a cycle of dominant 7ths (Eb7-Ab7) and chromatic passing chords (Gb7) to create tension and harmonic momentum.

Improvisation Focus Targeting chord tones within the C Harmonic Minor and G Altered scales to navigate the frequent minor ii-V-i resolutions.

Difficulty Rating 3/5 โ€” While the tempo is often moderate, the frequent modulations and secondary dominants require a disciplined approach to voice leading and key-center awareness.


๐Ÿ“š Standard Available in:

The Real Book - Volume III
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