Chord Distribution Analysis

Chord SymbolCountFrequency
Bb7412.1%
Fm739.1%
Am739.1%
Ebmaj7/Bb26.1%
D726.1%
Gmaj726.1%
Fm7/Bb13.0%
F#m713.0%

Key Patterns Detected

PatternFunctionFrequency
Fm7 -> Bb7Setup (Major Key)3
Am7 -> D7Setup (Major Key)2
Fm7/Bb -> Bb7Setup (Major Key)1
Bb7 -> Ebmaj7/BbResolution (Major)1
F#m7 -> B7Setup (Major Key)1
Gm7b5 -> C7b9Setup (Minor Key)1
C7b9 -> Fm7Resolution (Minor)1
Bb7 -> Ebmaj7Resolution (Major)1
D7 -> Gmaj7Resolution (Major)1
Bbm7 -> Eb7Setup (Major Key)1
Bm7b5 -> E7b9Setup (Minor Key)1
E7b9 -> Am7Resolution (Minor)1
Am7 -> D7b9Setup (Major Key)1
D7b9 -> Gm7Resolution (Minor)1
Gm7 -> C7Setup (Major Key)1
C7 -> Fm7Resolution (Minor)1

Harmonic Highlights:

  • Utilizes sequential, half-step descending ii-V progressions, exemplified by F#m7-B7 leading to Fm7-Bb7.
  • Features clear modulation to the parallel major (Am7-D7-Gmaj7) within the G minor framework.
  • Employs dominant suspensions (Fm7/Bb functioning as Bb7sus4) resolving to temporary Eb major tonicizations.
  • Incorporates sophisticated chromatic minor ii-V movements (e.g., Gm7b5-C7b9), indicating complex temporary key centers.

Improvisation Focus: Navigating rapid, sequential ii-V changes and frequent temporary modulations.

Difficulty Rating: 5 (Advanced) due to the rapid harmonic rhythm, frequent chromatic ii-V sequences, and constant temporary modulations demanding adaptable scale and arpeggio choices.