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:

  • Establishes C minor primarily through a foundational i-iv-iiø7-V7b9-i progression.
  • Features a characteristic half-step modulation in the bridge to Db major (Ebm7-Ab7-Dbmaj7).
  • The Dm7b5-G7b9 (iiø7-V7b9) cadence serves as a prominent and recurring resolution to C minor.

Improvisation Focus: Outlining ii-V progressions and clearly navigating the half-step modulation to Db major.

Difficulty Rating: 3 (Intermediate) because while the form is clear, the distinctive half-step modulation requires specific harmonic awareness for improvisers.