Chord Distribution Analysis

Chord SymbolCountFrequency
Gm71463.6%
Cm7418.2%
Bbm714.5%
Eb714.5%
Am7b514.5%
D7b9#514.5%

Key Patterns Detected

PatternFunctionFrequency
Bbm7 -> Eb7Setup (Major Key)1
Am7b5 -> D7b9#5Setup (Minor Key)1
D7b9#5 -> Gm7Resolution (Minor)1

Harmonic Highlights

  • Employs an extended 16-bar minor blues structure, utilizing a static 8-bar Gm7 tonic block that emphasizes Dorian modal stability.
  • Features a chromatic shift via a ii-V in Ab major (Bbm7 - Eb7), serving as a “backdoor” transition before returning to the primary key.
  • Concludes with a functional minor ii-V-i turnaround (Am7b5 - D7b9#5 - Gm7) using an altered dominant to create maximum tension.
  • Shifts from the tonic i7 to the iv7 (Cm7) at bar 9, following traditional blues logic but within an expanded temporal framework.

Improvisation Focus G Dorian scale combined with the G minor blues scale for melodic development over the static tonic sections.

Difficulty Rating 2/5: The slow harmonic rhythm and predictable 16-bar minor blues structure make it highly accessible for intermediate improvisers.


πŸ“š Standard Available in:

The Real Book - Volume II
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