Chord Distribution Analysis

Chord SymbolCountFrequency
Amaj737.9%
F#m737.9%
Bm737.9%
Bbm725.3%
Bbmaj725.3%
A7b1325.3%
Dm725.3%
E725.3%

Key Patterns Detected

PatternFunctionFrequency
A7b13 -> Dm7Resolution (Minor)2
Bm7 -> E7Setup (Major Key)2
F#m7 -> B7Setup (Major Key)1
B7 -> Emaj7Resolution (Major)1
F7b9#5 -> Bbm7Resolution (Minor)1
Bbm7 -> Eb7b9Setup (Major Key)1
Eb7b9 -> Abmaj7Resolution (Major)1
Cm7b5 -> F7b9Setup (Minor Key)1
F7b9 -> Bbmaj7#5Resolution (Major)1
Em7b5 -> A7b13Setup (Minor Key)1
Bbm7 -> Eb7Setup (Major Key)1
C#m7 -> F#7b9Setup (Major Key)1
E7 -> Amaj7Resolution (Major)1

Harmonic Highlights

  • Employs chromatic planing (G#m7–Gm7–F#m7) to bridge the tonic A major with its relative minor subdominant via passing motion.
  • Features rapid, non-functional modulations using altered dominant chains (C7#5 to F7b9#5) to transition between distant tonal centers like E major and Ab major.
  • Utilizes minor ii-V-I cells (Cm7b5–F7b9–Bbmaj7) that resolve deceptively to major keys, creating high harmonic density.
  • Integrates secondary dominants with altered extensions (A7b13) to pivot smoothly toward subdominant areas like D minor.

Improvisation Focus Voice leading through rapid tonal center modulations.

Difficulty Rating 4/5: The dense harmonic rhythm and frequent shifts between distantly related keys require advanced proficiency in functional analysis and melodic minor applications.