Chord Distribution Analysis

Chord SymbolCountFrequency
Fmaj7313.6%
Ebmaj729.1%
Dmaj729.1%
Dbmaj729.1%
C7#929.1%
Fm729.1%
Eb7#5#929.1%
Em714.5%

Key Patterns Detected

PatternFunctionFrequency
C7#9 -> Fm7Resolution (Minor)2
Bbm7b5 -> Eb7#5#9Setup (Minor Key)1

Harmonic Highlights

  • Parallel descending Major 7th structures (Fmaj7–Ebmaj7–Dmaj7–Dbmaj7) create a shifting tonal landscape that bypasses traditional functional ii-V-I logic.
  • Chromaticism resolves through a C7#9 turnaround to Fm7, providing brief moments of functional tension and release within the nominal F minor center.
  • Rapid sequential m7b5 chords (Em7b5, Gm7b5, Dm7b5) demand quick adaptation to shifting Locrian or Locrian â™®2 environments.
  • The asymmetrical 5/4 meter disrupts standard jazz phrasing, necessitating a motivic approach that complements the non-functional harmony.

Improvisation Focus Non-functional Parallelism: Navigating shifting constant-structure chords by transposing melodic cells while maintaining the 5/4 pulse.

Difficulty Rating 4/5: The combination of unconventional 5/4 time, non-diatonic parallel movements, and rapid-fire m7b5 cycles demands advanced rhythmic and harmonic fluency.


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The Real Book - Volume I
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