Chord Distribution Analysis

Chord SymbolCountFrequency
D7612.5%
Gm7612.5%
Fmaj7510.4%
Em7b548.3%
G748.3%
C748.3%
F648.3%
A7b936.2%

Key Patterns Detected

PatternFunctionFrequency
Gm7 -> C7Setup (Major Key)4
Em7b5 -> A7b9Setup (Minor Key)3
C7 -> Fmaj7Resolution (Major)2
Cm7 -> F7Setup (Major Key)1
F7 -> Bbmaj7Resolution (Major)1
Bbm7 -> Eb7Setup (Major Key)1
Em7b5 -> A7Setup (Minor Key)1
A7 -> Dm7Resolution (Minor)1
Dm7 -> G7Setup (Major Key)1
Gm7 -> D7#9Setup (Major Key)1
D7#9 -> Gm7Resolution (Minor)1
Gm7 -> C7#9Setup (Major Key)1
C7#9 -> Fmaj7Resolution (Major)1

Harmonic Highlights:

  • Prominent extended dominant chain: Em7b5 (iiø7/vi) - A7b9 (V7/vi) - D7 (V7/ii) - G7 (V7/V) creates intense forward motion.
  • Frequent use of secondary and altered dominants (A7b9) generating chromatic tension and requiring specific scale choices.
  • Juxtaposition of complex dominant cycles with straightforward I-vi-ii-V progressions in F major, providing harmonic variety.

Improvisation Focus: Altered Dominant Scales

Difficulty Rating: 5 (Advanced) – Requires mastery of altered scales, navigating rapid dominant cycles, and intricate voice leading across dense harmonic changes.