Chord Distribution Analysis

Chord SymbolCountFrequency
C7920.0%
Gm7613.3%
F6511.1%
Dm7511.1%
Fmaj7511.1%
Ab0748.9%
Db736.7%
Dm/maj724.4%

Key Patterns Detected

PatternFunctionFrequency
Gm7 -> C7Setup (Major Key)6
C7 -> Fmaj7Resolution (Major)3
Dm7 -> G7Setup (Major Key)2
Em7b5 -> A7Setup (Minor Key)1
A7 -> Dm7Resolution (Minor)1

Harmonic Highlights:

  • Prominent use of Ab07, functioning as a common-tone diminished chord, often preceding the ii chord (Gm7).
  • Inclusion of a bII7 (Db7) to V7 (C7) movement, serving as a tritone substitution to the dominant.
  • A distinctive minor chord progression featuring Dm – Dm/maj7 – Dm7, creating a chromatic line within the tonic minor quality before resolving.

Improvisation Focus: Effective application of altered dominant and diminished scales.

Difficulty Rating: 4 (Advanced Intermediate). Requires navigating non-diatonic harmonies, tritone substitutions, and chromatic alterations effectively.