Chord Distribution Analysis

Chord SymbolCountFrequency
Gm71018.9%
C7917.0%
Fmaj7713.2%
D759.4%
Am747.5%
G735.7%
Bb723.8%
Ab0723.8%

Key Patterns Detected

PatternFunctionFrequency
Gm7 -> C7Setup (Major Key)9
D7 -> Gm7Resolution (Minor)5
C7 -> Fmaj7Resolution (Major)5
Fmaj7 -> Bb7Setup (Major Key)2
Am7 -> D7Setup (Major Key)2
Dm7 -> G7Setup (Major Key)2
C7 -> Gm7Resolution (Minor)1
Am7b5 -> D7b9Setup (Minor Key)1
D7b9 -> Gm7Resolution (Minor)1
Bbm7 -> Eb7Setup (Major Key)1

Harmonic Highlights

  • Employs persistent I-VI7-ii-V cycles (Fmaj7-D7-Gm7-C7), typical of the “Great American Songbook” style, providing a strong sense of forward motion.
  • Features a chromatic passing diminished chord (Ab°7) acting as a connector between the IV7 and the iii chord (Am7).
  • Utilizes the Bb7 as a Lydian Dominant (IV7) chord, often resolving downward to Am7 rather than functioning as a traditional subdominant.
  • Secondary dominants (D7) are used consistently to tonicize the ii chord (Gm7), requiring awareness of the F# accidental within the F major tonality.

Improvisation Focus F Major Bebop Scale to navigate the frequent I-VI-ii-V turnarounds while addressing the secondary dominants.

Difficulty Rating 2/5: The harmonic rhythm is predictable and the cycles are standard, though the chromatic passing chords require basic chord-tone targeting.


📚 Standard Available in:

The Real Book - Volume III
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