Chord Distribution Analysis

Chord SymbolCountFrequency
C7920.0%
Gm7613.3%
F6511.1%
Dm7511.1%
Fmaj7511.1%
Ab0748.9%
Db736.7%
Dm/maj724.4%

Key Patterns Detected

PatternFunctionFrequency
Gm7 -> C7Setup (Major Key)6
C7 -> Fmaj7Resolution (Major)3
Dm7 -> G7Setup (Major Key)2
Em7b5 -> A7Setup (Minor Key)1
A7 -> Dm7Resolution (Minor)1

Harmonic Highlights

  • Employs the #ii°7 (Ab°7) as a chromatic passing chord or diminished substitute for VI7, smoothly connecting the tonic to the ii-V (Gm7–C7).
  • Utilizes a tritone substitution (Db7) as a subV/V to create descending chromatic voice leading toward the dominant C7.
  • Features a minor line cliché (Dm–Dm/maj7–Dm7) in the bridge, providing melodic motion over a static submediant harmony.
  • Frequent I-vi-ii-V turnarounds reinforce the F major tonality while using secondary dominants to decorate the resolution.

Improvisation Focus F Major Bebop Scale (incorporating the b6 passing tone to navigate the tonic and dominant transitions).

Difficulty Rating 2: The progression is largely diatonic with standard substitutions, offering a predictable and accessible harmonic environment for intermediate improvisers.


📚 Standard Available in:

The Real Book - Volume III
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