Chord Distribution Analysis

Chord SymbolCountFrequency
Gm7225.0%
C7225.0%
Fmaj7112.5%
Bb9112.5%
Am7112.5%
Ab07112.5%

Key Patterns Detected

PatternFunctionFrequency
Gm7 -> C7Setup (Major Key)2
C7 -> Gm7Resolution (Minor)1
C7 -> Fmaj7Resolution (Major)1

Harmonic Highlights

  • Establishes clear F major tonality via a standard ii-V-I progression (Gm7-C7-Fmaj7).
  • The Bb9 chord functions as a backdoor dominant (bVII7) or a bluesy IV7, introducing a distinct harmonic color.
  • Ab07 (G#dim7) introduces strong chromatic tension, likely functioning as a passing diminished or reharmonization chord.
  • The progression skillfully blends diatonic functionality with prominent chromatic substitutions and extensions.

Improvisation Focus Targeting chord tones and fluidly navigating chromatic alterations and dominant substitutions.

Difficulty Rating 4 (Advanced Intermediate). It blends familiar diatonic progressions with significant chromatic harmonic substitutions, requiring adaptability in melodic and scalar choices.