Chord Distribution Analysis

Chord SymbolCountFrequency
C7sus37.0%
Gm724.7%
C7b1324.7%
Fm724.7%
Bb7sus24.7%
Bb724.7%
Ebmaj724.7%
D7sus24.7%

Key Patterns Detected

PatternFunctionFrequency
Gm7 -> C7susSetup (Major Key)2
C7b13 -> Fm7Resolution (Minor)2
Fm7 -> Bb7susSetup (Major Key)2
Bb7 -> Ebmaj7Resolution (Major)2
Cm7 -> F7susSetup (Major Key)1
Bbm/maj7 -> Eb7susSetup (Major Key)1
Eb7 -> Abmaj7Resolution (Major)1
Dm7b5 -> G7b9Setup (Minor Key)1
G7b9 -> Cmaj7Resolution (Major)1
D7b9 -> Gm7Resolution (Minor)1
D7 -> GmResolution (Minor)1
Gm/maj7 -> C7Setup (Major Key)1
Cm7 -> F7Setup (Major Key)1
Am7b5 -> D7b9Setup (Minor Key)1

Harmonic Highlights

  • Frequent ii-V-I sequences targeting the subdominant (Ebmaj7) and its parallel minor regions (Bbm/maj7) rapidly shift the tonal center from the G minor tonic.
  • Chromatic root movement (Dbmaj7 to C7sus) serves as a sophisticated “backdoor” dominant preparation, bypassing standard diatonic progressions.
  • Pervasive 7sus chords create harmonic suspension and modal ambiguity, delaying functional resolution to the third or altered extensions.
  • The inclusion of Bbm/maj7 introduces the Melodic Minor sound as a temporary tonic, adding complex, dark textures to the ballad structure.

Improvisation Focus Melodic Minor and its modes (specifically Altered and Lydian Dominant).

Difficulty Rating 4 (Advanced): The density of shifting ii-V-I cells and the requirement for precise voice-leading over minor-major chords demand sophisticated harmonic awareness.


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The Real Book - Volume III
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