Chord Distribution Analysis

Chord SymbolCountFrequency
D71123.9%
Am7919.6%
Gmaj748.7%
Cmaj748.7%
E736.5%
G736.5%
Dm724.3%
Am7b524.3%

Key Patterns Detected

PatternFunctionFrequency
Am7 -> D7Setup (Major Key)9
E7 -> Am7Resolution (Minor)3
D7 -> Gmaj7Resolution (Major)3
G7 -> Cmaj7Resolution (Major)3
D7 -> Am7Resolution (Minor)2
Dm7 -> G7Setup (Major Key)2
Am7b5 -> D7Setup (Minor Key)2
Bm7b5 -> E7b9Setup (Minor Key)1
E7b9 -> Am7Resolution (Minor)1

Harmonic Highlights

  • The A section centers on a classic I-VI7-ii-V turnaround (Gmaj7-E7-Am7-D7), utilizing a secondary dominant (E7) to facilitate motion to the ii chord.
  • The bridge employs a ii-V-I modulation to the subdominant (Dm7-G7-Cmaj7), a standard device for tonicizing the IV chord.
  • Chromatic voice-leading is achieved through the #iv diminished chord (C#ยฐ7), acting as a passing chord between the IV and the I chord in second inversion (Gmaj7/D).
  • Momentary modal interchange occurs with the Am7b5 (iiรธ7), borrowing the b6 (Eb) from the parallel minor key to add harmonic color.
  1. Improvisation Focus G Major Bebop Scale and I-VI-ii-V turnaround vocabulary.

  2. Difficulty Rating 2/5: The progression uses predictable diatonic cycles and standard bridge modulations, making it an ideal study for foundational jazz language.


๐Ÿ“š Standard Available in:

The Real Book - Volume II
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