Chord Distribution Analysis

Chord SymbolCountFrequency
F7421.1%
D7210.5%
Gm7210.5%
C7210.5%
Em7b515.3%
A715.3%
Dm715.3%
G715.3%

Key Patterns Detected

PatternFunctionFrequency
D7 -> Gm7Resolution (Minor)2
Gm7 -> C7Setup (Major Key)2
Em7b5 -> A7Setup (Minor Key)1
A7 -> Dm7Resolution (Minor)1
Dm7 -> G7Setup (Major Key)1
G7 -> Cm7Resolution (Minor)1
Cm7 -> F7Setup (Major Key)1
Bbm7 -> Eb7Setup (Major Key)1
Am7 -> D7Setup (Major Key)1

Harmonic Highlights

  • Employs a “Bird Blues” variation, replacing standard blues changes with rapid, descending ii-V sequences that cycle through related keys.
  • Utilizes a secondary dominant bridge (Em7b5 - A7 leading to Dm7 - G7) to create a sophisticated path to the IV chord.
  • Features a backdoor dominant progression (Bbm7 - Eb7) in bar 6, providing chromatic movement back to the tonic F7.
  • The turnaround sequence (Am7 - D7 - Gm7 - C7) utilizes a diatonic cycle of fourths to create dense harmonic motion.

Improvisation Focus Navigating rapid, descending ii-V chains using voice-leading and bebop scales.

Difficulty Rating 4/5; the high frequency of chord changes and the non-traditional blues structure require advanced harmonic navigation and precise rhythmic phrasing.


πŸ“š Standard Available in:

The Charlie Parker Real Book
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