Chord Distribution Analysis

Chord SymbolCountFrequency
Ab7#11520.8%
G7b1328.3%
Dm7b528.3%
C628.3%
Cm714.2%
Cm7/Bb14.2%
Am7b514.2%
Cm7/G14.2%

Key Patterns Detected

PatternFunctionFrequency
G7b13 -> Cm7Resolution (Minor)1
G7b9/F -> Cm7/EbResolution (Minor)1
Dm7 -> G7Setup (Major Key)1
Fm7 -> Bb7Setup (Major Key)1
Bb7 -> Ebmaj7Resolution (Major)1
Dm7b5 -> G7b9Setup (Minor Key)1

Harmonic Highlights

  • Frequent use of Ab7#11 (bVI7) as a tritone substitute for the secondary dominant (V/V), creating a smooth chromatic resolution to the G7 dominant.
  • Stepwise descending bass movement (Cm7/Bb to Am7b5 to Ab7) creates a classic “line cliché” that defines the somber, ballad character.
  • Sophisticated voice leading via slash chords like Ab7/Gb and G7b9/F maximizes chromatic half-step motion toward the tonic.
  • Modal shift from the dark C minor tonality to the parallel C major (C6) provides a stark resolution and emotional contrast.

Improvisation Focus C Melodic Minor and its related modes (specifically Altered and Lydian Dominant).

Difficulty Rating 4/5: The dense chromaticism, complex slash chords, and slow tempo require a high level of harmonic sophistication and melodic control.


📚 Standard Available in:

The Real Book - Volume IV
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