Chord Distribution Analysis

Chord SymbolCountFrequency
Fm7818.6%
Bb7614.0%
G749.3%
Ebmaj737.0%
C737.0%
Dm7b537.0%
Eb624.7%
C7#924.7%

Key Patterns Detected

PatternFunctionFrequency
Fm7 -> Bb7Setup (Major Key)6
C7 -> Fm7Resolution (Minor)3
Dm7b5 -> G7Setup (Minor Key)3
C7#9 -> Fm7Resolution (Minor)2
G7 -> Cm7Resolution (Minor)2
Cm7 -> F7Setup (Major Key)2
Bb7 -> Ebmaj7Resolution (Major)2
Em7 -> A7Setup (Major Key)1
A7 -> Dm7Resolution (Minor)1
Dm7 -> G7Setup (Major Key)1
G7 -> Cmaj7Resolution (Major)1
Am7 -> D7Setup (Major Key)1
D7 -> Gm7Resolution (Minor)1
Gm7 -> C7Setup (Major Key)1

Harmonic Highlights

  • Transitions between the relative major (Ebmaj7) and tonic minor (Cm7) via secondary dominants like C7#9 leading to Fm7.
  • Employs functional ii-V-I sequences in both Eb major and C minor, requiring mastery of both natural and harmonic minor scales.
  • Features a pivotal modal shift from Cm7 to Cmaj7, brightening the harmonic landscape before returning to the dominant.
  • Incorporates V/V extensions (F7) and minor ii-V-i (Dm7b5-G7-Cm7) turnarounds to define the C minor key center.

Improvisation Focus Voice leading through major and minor ii-V-I progressions.

Difficulty Rating 3/5: The challenge lies in fluidly navigating frequent shifts between relative major and minor tonalities and their respective functional vocabularies.


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The Real Book - Volume II
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