Chord Distribution Analysis

Chord SymbolCountFrequency
D71017.5%
Am7712.3%
C747.0%
E747.0%
Dm735.3%
F735.3%
Bm735.3%
Bb723.5%

Key Patterns Detected

PatternFunctionFrequency
Am7 -> D7Setup (Major Key)7
E7 -> Am7Resolution (Minor)3
Dm7 -> G7Setup (Major Key)2
G7 -> Cmaj7Resolution (Major)2
Cmaj7 -> F7Setup (Major Key)2
Bm7 -> E7Setup (Major Key)2
D7 -> Gmaj7Resolution (Major)2
Gmaj7 -> C7#11Setup (Major Key)1
Bm7b5 -> E7b9Setup (Minor Key)1
E7b9 -> Am7Resolution (Minor)1
Bm7b5 -> E7Setup (Minor Key)1
D7 -> Am7Resolution (Minor)1
B7 -> Em7Resolution (Minor)1

Harmonic Highlights

  • Employs parallel non-diatonic dominants (C7 to Bb7) to create a blues-inflected harmonic tension typical of Arlen’s “torch song” compositional style.
  • Features a chromatic passing diminished chord (C#o7) to bridge the distance between the tonic area and the subdominant (D7/Dm7).
  • Utilizes rapid II-V-I modulations in the bridge, shifting briefly to G Major and C Major before returning to the A minor center via a Bm7-E7 turnaround.
  • Integrates the Lydian Dominant sound (C7#11) as a colorful substitute for a standard IV or bVII chord, enriching the minor key palette.

Improvisation Focus A Melodic Minor and its associated modes (specifically Altered and Lydian Dominant) to navigate the frequent secondary dominants.

Difficulty Rating 3/5. The mixture of blues-based parallel shifts and quick-moving tonal centers requires a solid grasp of voice leading and modal interchange.


📚 Standard Available in:

The Real Book - Volume III
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