Chord Distribution Analysis

Chord SymbolCountFrequency
Dm7b5515.6%
G7b9515.6%
Cm7412.5%
Fm726.2%
Am7b526.2%
Cm626.2%
G7b1313.1%
F713.1%

Key Patterns Detected

PatternFunctionFrequency
Dm7b5 -> G7b9Setup (Minor Key)5
G7b9 -> Cm7Resolution (Minor)2
Cm7 -> G7b13Setup (Major Key)1
G7b13 -> Cm7Resolution (Minor)1
Cm7 -> F7Setup (Major Key)1
Fm7 -> Bb7Setup (Major Key)1
G7b9 -> Cm7/BbResolution (Minor)1
G7b9 -> Cm6Resolution (Minor)1

Harmonic Highlights:

  • Prominent use of the G7b13 leading to Cm7, indicating an altered dominant quality common in minor key harmony.
  • The Fm7 - Bb7 (ii-V of Eb) followed by Ab7 - Db7 (bVI7 - bII7) introduces a vibrant progression employing tritone substitutions and temporary modulation.
  • The Dbmaj7 (bIImaj7) functions as a tritone substitute for G7, directly preceding the Dm7b5 - G7b9 - Cm7 progression, adding a sophisticated jazz flavor.

Improvisation Focus: C Harmonic Minor scale for foundational melodic lines and V7 alterations.

Difficulty Rating: 4 (Advanced Intermediate). The rich harmonic vocabulary, including altered dominants, tritone substitutions, and temporary modulations, requires solid theoretical understanding and ear training.