Chord Distribution Analysis

Chord SymbolCountFrequency
F7#1135.6%
Bb7#935.6%
Eb7#9#1135.6%
Bbm735.6%
Am735.6%
D735.6%
Dmaj735.6%
Gmaj735.6%

Key Patterns Detected

PatternFunctionFrequency
Eb7#9#11 -> Bbm7Resolution (Minor)3
Am7 -> D7Setup (Major Key)3
Bbm7 -> Eb7Setup (Major Key)2
D7 -> Gmaj7Resolution (Major)2
A7 -> Dmaj7Resolution (Major)1
Gm7 -> C7Setup (Major Key)1
C7 -> Fmaj7Resolution (Major)1
Gmaj7 -> C7Setup (Major Key)1
Bm7 -> E7Setup (Major Key)1

Harmonic Highlights

  • Employs non-functional dominant chords like Eb7#9#11 and Bb7#9 as impressionistic colors rather than traditional V-I resolutions, creating a sense of harmonic suspension.
  • Utilizes chromatic line clichés over tonic centers (Dm to Dm6 and Dmaj7 to D6) to provide internal voice leading amidst shifting tonalities.
  • Features frequent parallel modulation between D minor and D major, often navigated through secondary ii-V progressions like Am7 to D7.

Improvisation Focus The Lydian Dominant scale is the essential tool for navigating the frequent #11 extensions on non-resolving dominant chords.

Difficulty Rating 5/5: The non-diatonic root movements, dense chromaticism, and lack of standard functional cadences require advanced harmonic knowledge and precise ear training.