Chord Distribution Analysis

Chord SymbolCountFrequency
Em7628.6%
A/E419.0%
Am729.5%
Gm729.5%
F#m7b529.5%
A729.5%
F1314.8%
B7b914.8%

Key Patterns Detected

PatternFunctionFrequency
Em7 -> A7Setup (Major Key)2
A7 -> Em7Resolution (Minor)1
F#m7b5 -> B7b9Setup (Minor Key)1

Harmonic Highlights

  • The Em7 to A/E vamp establishes an E Dorian modal foundation, serving as a static tonal anchor before the “maze” of shifting centers begins.
  • The sequence Am7 โ€“ Gm7 โ€“ F#m7b5 โ€“ F13 utilizes parallel minor movement and a chromatic descent, where F13 acts as a dominant-functioning bII relative to the E center.
  • Strategic use of the B7b9 creates a strong secondary dominant resolution (V/v) back to Em7, reinforcing the minor-key gravity within a post-bop framework.

Improvisation Focus E Dorian modal fluency and Melodic Minor substitutions over the chromatic transitions.

Difficulty Rating 4/5. The composition requires advanced navigation of non-functional modal shifts and the ability to maintain melodic continuity through rapid, descending chromaticism.