Chord Distribution Analysis

Chord SymbolCountFrequency
Db7914.3%
Fm7812.7%
C7812.7%
Bb769.5%
Fm7/Eb57.9%
Eb757.9%
B7#1134.8%
Ab634.8%

Key Patterns Detected

PatternFunctionFrequency
C7 -> Fm7Resolution (Minor)6
Ebm7 -> Ab7Setup (Major Key)2
Cm7 -> F7Setup (Major Key)2
Gm7b5 -> C7b9Setup (Minor Key)1
C7b9 -> Fm7Resolution (Minor)1
F7 -> Bbm7Resolution (Minor)1
Gm7b5 -> C7Setup (Minor Key)1

Harmonic Highlights:

  • The A section utilizes a minor line cliché (Fm7 - Fm7/Eb - Db7 - C7), where the Db7 (bVI7) acts as a predominant substitute leading to the V7.
  • The bridge shifts to the subdominant Bb7, transitioning from a darker minor tonality to a brighter jump-blues IV7 feel.
  • A descending dominant sequence (Eb7 - Db7 - C7) creates a bluesy turnaround that effectively reinforces the F minor key center.
  • The B7#11 chord acts as a tritone substitution for F7, providing a smooth chromatic bridge to the subdominant Bb7.

Improvisation Focus: The F Minor Blues scale is the central concept, unifying the minor-key jazz harmony with the song’s inherent swing-blues character.

Difficulty Rating: 2/5: The song’s clear AABA structure and standard minor-key resolutions make it an ideal study for intermediate players learning chromatic voice leading.


📚 Standard Available in:

The Real Book - Volume I
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