Chord Distribution Analysis

Chord SymbolCountFrequency
Cm616.2%
Ab7616.2%
G7b9410.8%
Am7b538.1%
G738.1%
G7/D25.4%
Cm/Eb25.4%
Cm725.4%

Key Patterns Detected

PatternFunctionFrequency
G7b9 -> CmResolution (Minor)4
Cm -> G7/DSetup (Major Key)2
G7/D -> Cm/EbResolution (Minor)2
Dm7b5 -> G7b9Setup (Minor Key)1
Fm7 -> Bb7Setup (Major Key)1
Bb7 -> Ebmaj7Resolution (Major)1
Ebm7 -> Ab7Setup (Major Key)1
G7 -> CmResolution (Minor)1

Harmonic Highlights

  • Utilizes a stepwise ascending bass line (Cm - G7/D - Cm/Eb) to create linear tension and contrapuntal interest within the C minor tonic.
  • Employs standard minor ii-V-i cadences (Dm7b5 - G7b9 - Cm) that require altered dominant resolutions and harmonic minor vocabulary.
  • Features a modulation to the relative major (Ebmaj7) in the bridge, followed by a parallel shift to Ebm7 - Ab7, creating a sophisticated modal sequence.
  • Uses the Ab7 chord as a bVI dominant-seventh substitute or a tritone substitution for the II7 (D7), adding chromatic movement back to the dominant.
  1. Improvisation Focus C Melodic Minor (specifically over the tonic minor and altered dominants).

  2. Difficulty Rating 3 (Intermediate): Navigating the transition between the dark C minor tonality and the bright relative major bridge requires solid knowledge of minor functional harmony.


๐Ÿ“š Standard Available in:

The Real Book - Volume IV
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