Chord Distribution Analysis

Chord SymbolCountFrequency
Bm7b558.3%
Fmaj758.3%
Gm758.3%
G746.7%
C746.7%
Bb7#1135.0%
Ab735.0%
Dm735.0%

Key Patterns Detected

PatternFunctionFrequency
Gm7 -> C7Setup (Major Key)3
Fmaj7 -> Bb7#11Setup (Major Key)2
Em7b5 -> A7b9Setup (Minor Key)2
A7b9 -> Dm7Resolution (Minor)2
Cm7 -> F7Setup (Major Key)2
F7 -> Bbmaj7Resolution (Major)2
Bbm7 -> Eb7Setup (Major Key)2
Bm7b5 -> E7b9Setup (Minor Key)2
Fmaj7 -> C7Setup (Major Key)1
C7 -> Fmaj7Resolution (Major)1
E7b9 -> Bm7b5Resolution (Minor)1
E7b9 -> Am7Resolution (Minor)1
Am7 -> D7Setup (Major Key)1
D7 -> Gm7Resolution (Minor)1

Harmonic Highlights:

  • Features a bVII7#11 (Bb7#11) resolving to V7 (A7) in D minor, showcasing a Lydian Dominant sound before the tonic.
  • Employs a chromatic dominant chain D7b13-G7-Ab7-G7, incorporating tritone substitution (Ab7 for D7) and unexpected harmonic motion.
  • Includes a ii-V-I in Bb major (Cm7-F7-Bbmaj7) followed by a deceptive ii-V (Bbm7-Eb7) resolving to Fmaj7, creating sophisticated tonal shifts.

Improvisation Focus: Altered Scale.

Difficulty Rating: 4 (Advanced). Requires understanding and applying altered dominant concepts, tritone substitutions, and navigating frequent, sometimes deceptive, modulations.