Chord Distribution Analysis

Chord SymbolCountFrequency
Bb7b9726.9%
Fm7b5623.1%
Ebm6415.4%
Cm7b527.7%
Bbm727.7%
Eb727.7%
Ab727.7%
B713.8%

Key Patterns Detected

PatternFunctionFrequency
Fm7b5 -> Bb7b9Setup (Minor Key)6
Bb7b9 -> Fm7b5Resolution (Minor)3
Bb7b9 -> Ebm6Resolution (Minor)3
Bbm7 -> Eb7Setup (Major Key)2
Eb7 -> Bbm7Resolution (Minor)1

Harmonic Highlights

  • Minor ii-V-i Foundations: The A sections center on repetitive Fm7b5 โ€“ Bb7b9 โ€“ Ebm6 progressions, emphasizing the somber Eb minor tonality through standard minor functional harmony.
  • Tonicization of the IV: The bridge utilizes Bbm7 โ€“ Eb7 to pivot toward Ab7, shifting the harmonic focus to the subdominant area.
  • Chromatic Dominant Preparation: The appearance of B7 acting as a tritone substitute for F7 (the V of V) creates a smooth chromatic descent into the primary dominant Bb7b9.

Improvisation Focus Eb Melodic Minor (incorporating the Locrian #2 and Altered scales over the ii-V transitions).

Difficulty Rating 3/5: The tune is accessible for intermediates but requires a strong grasp of minor-key functional harmony and navigating the shift to the subdominant bridge.


๐Ÿ“š Standard Available in:

The Real Book - Volume II
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