Chord Distribution Analysis

Chord SymbolCountFrequency
Cm7529.4%
Dm7b5317.6%
G7b9317.6%
Fm7211.8%
Dbmaj7211.8%
Ebm715.9%
Ab715.9%

Key Patterns Detected

PatternFunctionFrequency
Dm7b5 -> G7b9Setup (Minor Key)3
G7b9 -> Cm7Resolution (Minor)2
Ebm7 -> Ab7Setup (Major Key)1
Ab7 -> Dbmaj7Resolution (Major)1

Harmonic Highlights

  • Features a standard minor ii-V-i (Dm7b5 โ€“ G7b9 โ€“ Cm7) to establish the primary C minor tonality.
  • Executes a direct modulation to the Neapolitan key center (Db Major) through a ii-V-I sequence (Ebm7 โ€“ Ab7 โ€“ Dbmaj7).
  • Connects the two key centers via a minor-third root movement (Cm7 to Ebm7), serving as a chromatic pivot.
  • Employs a final minor ii-V-i turnaround to resolve back to the C minor tonic for the head repeat.

Improvisation Focus Navigating the tonal shift between C Aeolian/Harmonic Minor and the Db Major scale to highlight the modulation.

Difficulty Rating 2 (Beginner-Intermediate) because it provides a foundational exercise in bridging two distinct key centers within a simple, repetitive 16-bar structure.


๐Ÿ“š Standard Available in:

The Real Book - Volume I
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