Chord Distribution Analysis

Chord SymbolCountFrequency
C7sus420.0%
Eb7sus420.0%
Ab7sus420.0%
Ebmaj7210.0%
Gm7b515.0%
C7alt15.0%
Fm7b515.0%
Bb7alt15.0%

Key Patterns Detected

PatternFunctionFrequency
Gm7b5 -> C7altSetup (Minor Key)1
C7alt -> Fm7b5Resolution (Minor)1
Fm7b5 -> Bb7altSetup (Minor Key)1
Bb7alt -> Ebmaj7Resolution (Major)1
Dm7b5 -> G7altSetup (Minor Key)1

Harmonic Highlights

  • Employs non-functional quartal harmony through a series of dominant sus4 chords (C7sus, Eb7sus, Ab7sus) that shift centers by minor thirds and fourths, creating a modern, “suspended” modal texture.
  • Juxtaposes static modal sections with rapid-fire functional ii-V-I cells, forcing the soloist to transition quickly from open sus-chord sounds to dense, altered dominant tension.
  • Utilizes melodic minor harmony within the turnaround sequences (Gm7b5โ€“C7alt and Dm7b5โ€“G7alt), demanding precise navigation of altered extensions and Locrian โ™ฎ2 colors.

Improvisation Focus The Melodic Minor scale and its modes (specifically Altered and Locrian โ™ฎ2) for navigating the chromatic turnaround cells.

Difficulty Rating 4/5: The fast tempo and the requirement to pivot instantly between static modal structures and complex, high-velocity ii-V-I resolutions demand advanced harmonic fluency and technical agility.


๐Ÿ“š Standard Available in:

The Real Book - Volume I
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