Chord Distribution Analysis

Chord SymbolCountFrequency
Dm7b5719.4%
Cmaj7616.7%
Dm7513.9%
C07411.1%
G7b938.3%
Cm725.6%
C625.6%
Em7b512.8%

Key Patterns Detected

PatternFunctionFrequency
G7b9 -> Cmaj7Resolution (Major)3
Dm7b5 -> G7b9Setup (Minor Key)2
Em7b5 -> A7b9Setup (Minor Key)1
A7b9 -> Dm7b5Resolution (Minor)1
Dm7b5 -> G7susSetup (Minor Key)1
Dm7 -> G7Setup (Major Key)1

Harmonic Highlights:

  • Frequent use of CΒ°7 as a tonic embellishment, necessitating a rapid shift from C major to the C diminished (half-whole) sound.
  • Heavy reliance on modal interchange, specifically using Dm7b5 and Cm7 to weave parallel C minor (Aeolian) colors into the major tonality.
  • Sequential minor ii-V movement (Em7b5 - A7b9) targeting the Dm7b5, which creates a sophisticated “dark” functional path back to the tonic.
  • Utilization of Ab9 as a chromatic bII dominant preparation (tritone substitute) to smooth the transition into the G7 dominant.
  1. Improvisation Focus: Modal mixture navigation between C major and C minor.

  2. Difficulty Rating: 3. The structure is logical, but the constant shifting between major and minor functional harmony requires intermediate-level harmonic awareness.


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The Real Broadway Book
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