Chord Distribution Analysis

Chord SymbolCountFrequency
C7631.6%
G7315.8%
F7210.5%
Dm715.3%
Gm715.3%
Em7b515.3%
A715.3%
Dm7b515.3%

Key Patterns Detected

PatternFunctionFrequency
Dm7 -> G7Setup (Major Key)1
C7 -> Gm7Resolution (Minor)1
Gm7 -> C7Setup (Major Key)1
Em7b5 -> A7Setup (Minor Key)1
A7 -> Dm7b5Resolution (Minor)1
Dm7b5 -> G7Setup (Minor Key)1

Harmonic Highlights

  • Standard 12-bar C blues form enhanced by “Bird Blues” ii-V interpolations and secondary dominants.
  • Tonicization of the IV chord via a Gm7–C7 (ii-V of IV) in bar 4, facilitating a smooth transition to F7.
  • Minor ii-V substitution (Em7b5–A7) in bar 8 targeting the Dm7 chord, introducing functional minor-mode coloration.
  • Chromatic turnaround sequence (C7–F6–F#o7–C7/G) providing a sophisticated scalar ascent back to the tonic.

Improvisation Focus Chromatic voice leading and guide-tone targeting over secondary ii-V chains.

Difficulty Rating 3/5 - The 12-bar framework is accessible, but the specific bebop substitutions and rapid turnaround require advanced harmonic awareness and technical facility.


πŸ“š Standard Available in:

The Real Book - Volume III
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