Chord Distribution Analysis

Chord SymbolCountFrequency
Cm1221.4%
G7712.5%
D758.9%
Db747.1%
Ab747.1%
Dm7b547.1%
G7b947.1%
Am7b523.6%

Key Patterns Detected

PatternFunctionFrequency
G7 -> CmResolution (Minor)5
G7b9 -> CmResolution (Minor)4
Dm7b5 -> G7b9Setup (Minor Key)2
Dm7b5 -> G7Setup (Minor Key)2
Bbm7 -> Eb7Setup (Major Key)2
Eb7 -> Abmaj7Resolution (Major)2
F7 -> Bbm7Resolution (Minor)1
Am7 -> D7Setup (Major Key)1
D7 -> Gmaj7Resolution (Major)1
C#m7 -> F#7Setup (Major Key)1
Dm7 -> G7Setup (Major Key)1

  • The chromatic dominant movement D7 (V/V) - Db7 (bII7 of G) before G7 (V) leading to Cm (i), showcases advanced dominant chord alterations and tritone substitution.
  • The Ab7 (bVI7) chord resolving directly to Cm (i), provides a distinctive minor blues color through a non-functional dominant.
  • The classic minor iiø-V7 progression Dm7b5 - G7b9 resolving to Cm, featuring an explicitly altered dominant.

Improvisation Focus: Employing the Altered Scale (Super Locrian) to navigate the numerous altered dominant seven chords and tritone substitutions.

Difficulty Rating: 5 (Advanced): The chart extensively uses tritone substitutions, altered dominants, and complex minor ii-V-i extensions requiring deep harmonic understanding and advanced scale application.