Chord Distribution Analysis

Chord SymbolCountFrequency
Gm6418.2%
Gb13418.2%
Gb7#929.1%
Bb1329.1%
Dm729.1%
G7#1129.1%
Cm729.1%
F729.1%

Key Patterns Detected

PatternFunctionFrequency
Dm7 -> G7#11Setup (Major Key)2
Cm7 -> F7Setup (Major Key)2
F7 -> Bbmaj7Resolution (Major)2

Harmonic Highlights

  • Use of the bII7 substitute (Gb7#9) provides a chromatic bridge between the G minor tonic and the Bb major relative center.
  • Descending chromatic dominants (G7#11 to Gb13) create the “criss-crossing” leading-tone resolutions characteristic of the composition’s title.
  • Strategic use of #11 and #9 extensions shifts the tonality from functional minor harmony toward a symmetric Whole Tone and Lydian Dominant soundscape.

Improvisation Focus The Whole Tone Scale.

Difficulty Rating 4 (Advanced) — The combination of angular melodies, rapid chromatic substitutions, and non-standard rhythmic displacements requires high-level harmonic navigation and rhythmic precision.


📚 Standard Available in:

The Real Book - Volume II
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