Chord Distribution Analysis

Chord SymbolCountFrequency
F7531.2%
Bb7212.5%
D7212.5%
Gm7212.5%
C7212.5%
Cm716.2%
B0716.2%
Am716.2%

Key Patterns Detected

PatternFunctionFrequency
D7 -> Gm7Resolution (Minor)2
Gm7 -> C7Setup (Major Key)2
F7 -> Cm7Resolution (Minor)1
Cm7 -> F7Setup (Major Key)1
Am7 -> D7Setup (Major Key)1

Harmonic Highlights

  • Employs a ii-V cell (Cm7 - F7) in bar 4 to create a strong tonicization of the IV chord (Bb7).
  • Utilizes a #iv diminished passing chord (B°7) in bar 6 to provide chromatic ascending voice leading back to the tonic.
  • Features a sophisticated iii-VI-ii-V turnaround (Am7 - D7 - Gm7 - C7) in bars 8-10, replacing the simpler V chord movement typical of early blues.
  • Follows a 12-bar “Bebop Blues” structure characterized by dense harmonic rhythm and frequent secondary dominants.

Improvisation Focus F Bebop Dominant scale and guide-tone targeting over rapid ii-V sequences.

Difficulty Rating 3/5 - While the 12-bar form is foundational, the fast tempo and dense turnaround require precise navigation of chromatic passing tones and secondary dominants.


📚 Standard Available in:

The Real Book - Volume I
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