Chord Distribution Analysis

Chord SymbolCountFrequency
G6410.0%
Fmaj7410.0%
D7b937.5%
Am925.0%
Gm925.0%
C7b925.0%
Fm725.0%
D7b525.0%

Key Patterns Detected

PatternFunctionFrequency
Am9 -> D7b9Setup (Major Key)2
Gm9 -> C7b9Setup (Major Key)2
C7b9 -> Fmaj7Resolution (Major)2
Fm7 -> Bb7susSetup (Major Key)1
Bb7b9 -> Ebmaj7Resolution (Major)1
Am7b5 -> D7b5Setup (Minor Key)1
D7 -> Gmaj7Resolution (Major)1
E7b13 -> Am9Resolution (Minor)1
Dm7b5 -> G7b9Setup (Minor Key)1
G7b9 -> Cmaj7Resolution (Major)1
Cmaj7 -> F7Setup (Major Key)1
Am7 -> D7b9Setup (Major Key)1
Bm7b5 -> E7b9Setup (Minor Key)1

  • Employs consecutive II-V-I cycles descending through new tonal centers (Gmaj7 to Fmaj7, Fmaj7 to Ebmaj7), creating continuous modulations.
  • Frequent use of altered dominant chords (e.g., D7b9, C7b9, Bb7b9, D7b5, E7b13) to create tension and facilitate key changes.
  • Features a iiø-V7b5-I progression (Am7b5, D7b5, Gmaj7), showcasing a common minor II-V variant resolving to major.
  • Incorporates a V/ii chord (E7b13) leading to the Am9, setting up a new II-V.

Improvisation Focus: Navigating altered scales and arpeggios over constantly shifting dominant functions and multiple key centers.

Difficulty Rating: 4 (Advanced Intermediate) - Requires strong command of multiple key centers and altered scales to navigate its rapid harmonic shifts and varied dominant chord qualities.