Chord Distribution Analysis

Chord SymbolCountFrequency
Fmaj7815.7%
F659.8%
Gm759.8%
D7b959.8%
C747.8%
C7#535.9%
D735.9%
Ab0723.9%

Key Patterns Detected

PatternFunctionFrequency
Gm7 -> C7Setup (Major Key)4
C7#5 -> Fmaj7Resolution (Major)3
Am7 -> D7Setup (Major Key)2
D7 -> Gm7b5Resolution (Minor)2
Bbmaj7 -> Eb7Setup (Major Key)1
Bm7b5 -> E7b9Setup (Minor Key)1
E7b9 -> Am7b5Resolution (Minor)1
Am7b5 -> D7b9Setup (Minor Key)1
D7b9 -> Gm7Resolution (Minor)1
Gm7 -> C7b9Setup (Major Key)1
C7b9 -> Fmaj7Resolution (Major)1

Harmonic Highlights

  • Utilizes Ab°7 as a chromatic passing chord (vii°7/ii) to create smooth voice leading between the tonic F6 and the supertonic Gm7.
  • Employs the minor subdominant (Bbm6) to provide a classic “sentimental” IV-iv-I resolution common in swing-era ballads.
  • Features frequent secondary dominants with altered extensions (D7b9, C7#5) to intensify harmonic pull toward the ii and I chords.

Improvisation Focus Targeting Chord Tones with Chromatic Voice Leading.

Difficulty Rating 2/5: While the harmony contains frequent diminished and altered chords, the slow ballad tempo provides ample time for the soloist to navigate these changes.


📚 Standard Available in:

The Real Book - Volume VI
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