Chord Distribution Analysis

Chord SymbolCountFrequency
Gmaj7512.5%
Am7512.5%
D7512.5%
Em7410.0%
G725.0%
Cmaj725.0%
Bm725.0%
E7b925.0%

Key Patterns Detected

PatternFunctionFrequency
Am7 -> D7Setup (Major Key)4
D7 -> Gmaj7Resolution (Major)3
G7 -> Cmaj7Resolution (Major)2
Cmaj7 -> F7Setup (Major Key)1
F#m7 -> B7b9Setup (Major Key)1
B7b9 -> Em7Resolution (Minor)1
Em7 -> A7Setup (Major Key)1
Am7 -> D7#5Setup (Major Key)1
D7#5 -> Gmaj7Resolution (Major)1
B7 -> Em7Resolution (Minor)1
F#7b13 -> Bm7Resolution (Minor)1
Bm7 -> E7Setup (Major Key)1
E7 -> Am7Resolution (Minor)1
Bm7b5 -> E7b9Setup (Minor Key)1
Bm7 -> E7b9Setup (Major Key)1
E7b9 -> Am7Resolution (Minor)1
Gmaj7 -> D7Setup (Major Key)1

Harmonic Highlights

  • Frequent ii-V-I progressions to G major (bIIImaj7) firmly establish it as a prominent secondary tonal center.
  • Explicit use of parallel major harmony with Emaj7 and ii-V sequences (C#m7-F#m7-B7b9) targeting E major, creating a rich major/minor modal ambiguity.
  • Chromatic alterations like F7 (tritone substitution for B7) and D7#5 introduce color and heightened tension.

Improvisation Focus Navigating the intricate major/minor mode mixture, specifically the shifts between E minor, G major, and parallel E major.

Difficulty Rating 5 (Advanced) due to sophisticated modal mixture, frequent secondary dominants, and parallel major/minor shifts requiring agile harmonic interpretation.