Chord Distribution Analysis

Chord SymbolCountFrequency
Dm7b5414.8%
Cm69311.1%
G7b13311.1%
Fm69311.1%
Fm727.4%
Bb727.4%
Ebm727.4%
Ab727.4%

Key Patterns Detected

PatternFunctionFrequency
Dm7b5 -> G7b13Setup (Minor Key)3
Fm7 -> Bb7Setup (Major Key)2
Bb7 -> Ebm7Resolution (Minor)2
Ebm7 -> Ab7Setup (Major Key)2
G7b13 -> Cm69Resolution (Minor)1
C7b9 -> Fm69Resolution (Minor)1
Gm7b5 -> C7b13Setup (Minor Key)1
C7b13 -> Fm69Resolution (Minor)1
Gm7 -> C7Setup (Major Key)1
C7 -> Fm7Resolution (Minor)1
Dm7b5 -> G7b9Setup (Minor Key)1

Harmonic Highlights

  • Employs standard minor ii-V-i sequences (Dm7b5 - G7b13 - Cm69) to establish a firm C minor tonality.
  • Utilizes secondary dominants (C7b9) to tonicize the IVm chord (Fm69), reflecting a minor blues influence within the A-section.
  • The bridge features rapid sequential modulations through descending ii-V patterns (Fm7-Bb7 and Ebm7-Ab7), creating temporary shifts to Eb and Db major.
  • Tonic chords utilize 6/9 extensions, providing the characteristic “stable-yet-dark” harmonic color essential to the hard bop aesthetic.

Improvisation Focus C Melodic Minor for tonic stability combined with G Altered scales to navigate V7 tension.

Difficulty Rating 3/5: While the A-sections are diatonic to C minor, the bridge requires rapid navigation of shifting ii-V centers.


๐Ÿ“š Standard Available in:

The Real Book - Volume II
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