Chord Distribution Analysis

Chord SymbolCountFrequency
Ab716.7%
Bb7614.3%
Eb7511.9%
Bb49.5%
Fm737.1%
B37.1%
Gm24.8%
Cm24.8%

Key Patterns Detected

PatternFunctionFrequency
Fm7 -> Bb7Setup (Major Key)2

Harmonic Highlights

  • Employs frequent secondary dominant chains (II7 - V7 - I) in Ab major to establish strong, functional tonal centers.
  • Features sophisticated modal interchange, shifting from Ab major to its parallel minor (Abm) and distant keys like B major.
  • Utilizes chromatic mediant relationships and step-wise descending bass movement (Gb to F) to create expansive harmonic tension.
  • The bridge relies on rapid, non-diatonic modulations that obscure the home key before returning via a definitive Eb7 dominant.

Improvisation Focus Modal interchange and navigating the Ab Major/Ab Minor parallel relationship.

Difficulty Rating 4 - The frequent shifts into distant tonal centers and non-diatonic sequences require advanced harmonic navigation and fluent voice leading.


๐Ÿ“š Standard Available in:

The Real Book - Volume V
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