Chord Distribution Analysis

Chord SymbolCountFrequency
C7b13721.2%
Fm7618.2%
Bbm7412.1%
Gm7b5412.1%
Fm/maj739.1%
Db726.1%
Bbm613.0%
Bb713.0%

Key Patterns Detected

PatternFunctionFrequency
C7b13 -> Fm7Resolution (Minor)3
Gm7b5 -> C7b13Setup (Minor Key)3
C7b13 -> Fm/maj7Resolution (Major)2
Fm7 -> Bb7Setup (Major Key)1
Bbm7 -> Eb7Setup (Major Key)1
Fm/maj7 -> C7b5#9Setup (Major Key)1
C7b5#9 -> Fm7Resolution (Minor)1
Cm7b5 -> F7b9Setup (Minor Key)1
F7b9 -> Bbm7Resolution (Minor)1
C7b13 -> Gm7b5Resolution (Minor)1

Harmonic Highlights

  • Frequent ii-V7-i sequences (Gm7b5 - C7b13 - Fm7) anchor the functional minor tonality, utilizing the harmonic minor’s leading tone for strong resolution.
  • The shift from Bb7 to Bbm7 demonstrates a transition from a Dorian IV chord to a subdominant minor iv, common in hard-bop minor blues structures.
  • Inclusion of the Db7 (subVI7) provides a chromatic bridge to the dominant C7, acting as a tritone substitute for the secondary dominant G7.
  • Use of Fm/maj7 on the tonic indicates a reliance on the melodic minor stable structure rather than a simple natural minor.

Improvisation Focus F Melodic Minor scale to navigate tonic minor tensions and altered dominant resolutions.

Difficulty Rating 3/5. While the key center is stable, the soloist must navigate specific dominant alterations and rapid subdominant minor shifts typical of Clifford Brown’s vocabulary.


📚 Standard Available in:

The Real Book - Volume II
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