Chord Distribution Analysis

Chord SymbolCountFrequency
Cm7412.1%
Abmaj739.1%
Fm739.1%
Dbmaj726.1%
Fm7/Eb26.1%
Dm7b526.1%
G7#5#926.1%
Cm7/Bb26.1%

Key Patterns Detected

PatternFunctionFrequency
Dm7b5 -> G7#5#9Setup (Minor Key)2
G7#5#9 -> Cm7Resolution (Minor)2
Bbm7 -> Eb7susSetup (Major Key)1
Gm7b5 -> C7#5#9Setup (Minor Key)1
C7#5#9 -> Fm7Resolution (Minor)1
C7b9#5 -> Fm7Resolution (Minor)1
Fm7 -> Bb7#5Setup (Major Key)1
Bb7#5 -> Ebmaj7Resolution (Major)1
G7b9#5 -> Cm7Resolution (Minor)1
Am7b5 -> D7#5#9Setup (Minor Key)1
D7#5#9 -> Gm7Resolution (Minor)1

Harmonic Highlights:

  • Extensive use of highly altered dominant chords (e.g., Eb9#5, C7#5#9, G7#5#9, Bb7#5) generating significant tension.
  • Employs sequential minor ii-V-i progressions (Gm7b5-C7#5#9-Fm7 then Dm7b5-G7#5#9-Cm7), often resolving to altered tonics or subdominants.
  • Features a descending major 7th voicing movement (Abmaj7 to Dbmaj7) and resolutions to non-tonic major chords like Ebmaj7.

Improvisation Focus: Navigating altered dominant scales and chromaticism.

Difficulty Rating: 5 (Advanced) - Requires proficient command of altered dominant scales, complex harmonic substitutions, and non-diatonic resolutions.