Chord Distribution Analysis

Chord SymbolCountFrequency
C9#5413.8%
Fm7413.8%
Eb6310.3%
F7310.3%
Bb7310.3%
Db726.9%
B726.9%
Dm7b513.4%

Key Patterns Detected

PatternFunctionFrequency
Fm7 -> Bb7Setup (Major Key)1
Dm7b5 -> G7b9Setup (Minor Key)1
G7b9 -> Cm7Resolution (Minor)1
Cm7 -> F7Setup (Major Key)1
Gm7 -> C7Setup (Major Key)1

Harmonic Highlights

  • Integration of minor ii-V-i cells (Dm7b5-G7b9-Cm7) within a broader Eb major/C minor relative framework.
  • Use of secondary dominants like C9#5 (V/ii) and F7 (V/V) to provide strong directional pull and chromatic variety.
  • Employment of tritone substitutions (Db7 and B7) to create smooth, half-step bass movement toward primary tonal targets.

Improvisation Focus Guide-tone targeting using the Altered Scale over the secondary dominant chords to emphasize chromatic tensions.

Difficulty Rating 3/5: It requires a solid grasp of secondary dominants and the ability to pivot between major and minor functional harmony.


๐Ÿ“š Standard Available in:

The Real Book - Volume III
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