Chord Distribution Analysis

Chord SymbolCountFrequency
F71250.0%
Eb71250.0%

No obvious ii-V patterns detected.


Harmonic Highlights

  • The F7 to Eb7 progression functions as a repetitive V7 to IV7 oscillation, creating a driving, dominant-heavy tension that resolves to the underlying Bb minor tonality.
  • It bypasses traditional ii-V-I functional cycles in favor of a modal, blues-inflected framework characteristic of Hubbard’s soulful hard-bop and CTI-era fusion.
  • The harmonic rhythm is static, shifting the focus toward rhythmic displacement and the melodic interplay of wide-interval leaps against the recurring vamp.

Improvisation Focus

The Bb Minor Blues scale, utilizing Bb Dorian extensions to bridge the chromaticism between the F7 and Eb7 dominant structures.

Difficulty Rating

3/5: While the harmonic loop is accessible and repetitive, the high-velocity tempo and required rhythmic precision of Hubbard’s phrasing demand advanced technical facility.


📚 Standard Available in:

The Real Book - Volume II
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