Chord Distribution Analysis

Chord SymbolCountFrequency
Dm7b5827.6%
G7b9827.6%
Cm7724.1%
Ebmaj726.9%
C7b926.9%
Fm713.4%
F#0713.4%

Key Patterns Detected

PatternFunctionFrequency
Dm7b5 -> G7b9Setup (Minor Key)8
G7b9 -> Cm7Resolution (Minor)6
C7b9 -> Fm7Resolution (Minor)1

Harmonic Highlights:

  • Establishes C minor strongly with repeated iim7b5-V7b9-im7 progressions.
  • Utilizes the relative major (Ebmaj7) for a brief harmonic respite and color.
  • Employs a clear secondary dominant (C7b9) to tonicize the iv chord (Fm7).
  • The F#07 diminished chord functions as a chromatic passing tone or dominant substitute, increasing tension before resolution.

Improvisation Focus: C Harmonic Minor Scale.

Difficulty Rating: 3 (Intermediate). The combination of a consistent minor ii-V-i and common modulations makes it approachable but challenging enough for development.