Chord Distribution Analysis

Chord SymbolCountFrequency
Eb71460.9%
Ab7417.4%
Bb7417.4%
C7b914.3%

No obvious ii-V patterns detected.


Harmonic Highlights

  • Extended 24-Bar Blues: The form doubles the traditional 12-bar structure, creating a spacious, soul-jazz “groove” framework rather than rapid functional changes.
  • Static Dominant Vamping: Protracted durations of Eb7 and Ab7 emphasize rhythmic pocket and blues inflection over complex vertical substitutions.
  • Secondary Dominant Turnaround: The C7b9 (VI7) introduces chromatic tension and serves as a transition point to drive the harmonic motion toward the V7 (Bb7).
  • Plagal-influenced Cadence: The shift from Ab7 back to Eb7 utilizes the IV-I relationship common in blues, but the extended phrasing delays the resolution.

Improvisation Focus Eb Mixolydian and Eb Minor Blues scale hybrid.

Difficulty Rating 2/5: The slow harmonic rhythm is very accessible, though the non-standard 24-bar length requires disciplined phrasing to avoid getting lost.


πŸ“š Standard Available in:

The Real Book - Volume I
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