Chord Distribution Analysis

Chord SymbolCountFrequency
C7721.2%
Gm7618.2%
D739.1%
Db739.1%
Am7b526.1%
Bbm726.1%
Eb726.1%
Fm726.1%

Key Patterns Detected

PatternFunctionFrequency
Gm7 -> C7Setup (Major Key)6
C7 -> Gm7Resolution (Minor)3
Am7b5 -> D7Setup (Minor Key)2
Bbm7 -> Eb7Setup (Major Key)2
Eb7 -> Bbm7Resolution (Minor)1
Dm7 -> G7Setup (Major Key)1
C7 -> Fm7Resolution (Minor)1
D7 -> Gm7Resolution (Minor)1
Am7 -> D7Setup (Major Key)1

Harmonic Highlights:

  • A distinctive i-IV7 oscillation (Gm7 - C7) creates a melancholic modal vamp rather than a typical dominant-tonic resolution in the tonic minor.
  • Features a classic iiø7-V7 progression (Am7b5 - D7) that firmly establishes the G minor tonic.
  • Incorporates sequential modulations through several ii-V progressions (Bbm7 - Eb7, Dm7 - G7), briefly tonicizing Ab major and C major.
  • These frequent ii-V changes introduce transient harmonic centers, contributing to the tune’s wandering, romantic character.

Improvisation Focus: Navigating varied ii-V progressions by employing appropriate minor scales (Dorian, Harmonic) and their related dominant scales.

Difficulty Rating: 4 (Advanced Intermediate) – The frequent and sometimes distant modulations via ii-V changes require harmonic agility and precise scale/arpeggio application.