Chord Distribution Analysis

Chord SymbolCountFrequency
Em7b5412.5%
A7b9412.5%
Gm739.4%
C739.4%
Fmaj726.2%
Bm7b526.2%
E7b926.2%
Am7b526.2%

Key Patterns Detected

PatternFunctionFrequency
Gm7 -> C7Setup (Major Key)3
Em7b5 -> A7b9Setup (Minor Key)2
A7b9 -> Em7b5Resolution (Minor)1
Cm7 -> F7Setup (Major Key)1
F7 -> Bbmaj7Resolution (Major)1
Bbmaj7 -> Eb7Setup (Major Key)1
C7 -> Fmaj7Resolution (Major)1
Bm7b5 -> E7b9Setup (Minor Key)1
E7b9 -> Am7b5Resolution (Minor)1
Am7b5 -> D7b9Setup (Minor Key)1
D7b9 -> Gm7Resolution (Minor)1

Harmonic Highlights

  • Establishes D minor via prominent, repeated iiø-V7 (Em7b5-A7b9) resolution.
  • Showcases a distinct modulation sequence from Bb major (Cm7-F7-Bbmaj7) to F major (Gm7-C7-Fmaj7).
  • Employs sequential minor ii-V progressions (e.g., Bm7b5-E7b9), creating temporary tonicizations.
  • A chromatic dominant (Eb7) functions as a pivot, smoothly guiding the progression towards a new key area.

Improvisation Focus Navigating ii-V-I progressions across rapidly shifting key centers.

Difficulty Rating 4 (Advanced). The frequent modulations and sequential dominant cycles demand adept harmonic navigation and quick scale/arpeggio application.