Chord Distribution Analysis

Chord SymbolCountFrequency
C7615.0%
Gm7512.5%
Fmaj7410.0%
Bbmaj7410.0%
A737.5%
D737.5%
F#0725.0%
Eb725.0%

Key Patterns Detected

PatternFunctionFrequency
Gm7 -> C7Setup (Major Key)5
C7 -> Fmaj7Resolution (Major)3
Bbmaj7 -> Eb7Setup (Major Key)2
Am7 -> D7Setup (Major Key)2
D7 -> Gm7Resolution (Minor)2
Cm7 -> F7Setup (Major Key)1
F7 -> Bbmaj7Resolution (Major)1
Em7b5 -> A7b9Setup (Minor Key)1
A7b9 -> Dm7Resolution (Minor)1
Dm7 -> G7Setup (Major Key)1

Harmonic Highlights

  • Uses a #I°7 (F#°7) as a chromatic connector between the tonic (Fmaj7) and the ii7 (Gm7), providing smooth ascending bass movement.
  • The bridge modulates to the subdominant (Bb major) via a ii-V (Cm7-F7), a classic device for shifting tonal centers in AABA forms.
  • Employs a minor ii-V-i sequence (Em7b5 - A7b9 - Dm7) in the bridge, introducing a temporary shift to the relative minor key.
  • Relies on standard secondary dominants (A7, D7, G7) to create a “cycle of fourths” momentum that leads back to the primary ii-V-I in F major.

Improvisation Focus

Guide Tones (3rds and 7ths) are essential to highlight the clear voice-leading across the frequent ii-V-I progressions.

Difficulty Rating

2/5. The predictable functional harmony and standard modulations make it an accessible study for intermediate players mastering the Great American Songbook vocabulary.


📚 Standard Available in:

The Real Book - Volume III
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