Chord Distribution Analysis

Chord SymbolCountFrequency
F411.1%
B9b5411.1%
Dm7411.1%
Eb9411.1%
Db7411.1%
Ab1325.6%
Gb1325.6%
Ab725.6%

Key Patterns Detected

PatternFunctionFrequency
Cm7/F -> F7b9Setup (Major Key)1
F7b9 -> Bbmaj7Resolution (Major)1
Gm7 -> C7b9#11Setup (Major Key)1

Harmonic Highlights

  • Extensive use of tritone substitutions (B9b5 for F7) and chromatic dominant chains (Ab13-Db7-Gb13) creates a shifting, unstable harmonic landscape.
  • The progression relies on “constant structure” dominant chords moving by fourths or half-steps, frequently subverting traditional ii-V-I functional expectations.
  • Frequent b5 and b9 extensions across the dominant cycles emphasize a “crushed” dissonance, characteristic of Monk’s idiosyncratic vertical alignment.

Improvisation Focus Motivic development using the Whole-Tone scale and C Blues scale.

Difficulty Rating 4/5 — Navigating the rapid chromatic shifts and unconventional substitutions requires advanced harmonic ear training and rhythmic precision.