Chord Distribution Analysis

Chord SymbolCountFrequency
Dm7920.9%
G7818.6%
Cmaj7511.6%
A7511.6%
Em737.0%
Fmaj724.7%
A7b924.7%
C612.3%

Key Patterns Detected

PatternFunctionFrequency
Dm7 -> G7Setup (Major Key)8
A7 -> Dm7Resolution (Minor)5
G7 -> Cmaj7Resolution (Major)4
Em7 -> A7b9Setup (Major Key)2
A7b9 -> Dm7Resolution (Minor)2
G7 -> Dm7Resolution (Minor)1
Em7 -> A7Setup (Major Key)1
Bm7b5 -> E7Setup (Minor Key)1
E7 -> Am7Resolution (Minor)1
F#m7 -> B7Setup (Major Key)1
B7 -> Emaj7Resolution (Major)1

Harmonic Highlights

  • Employs frequent I-VI7-ii-V turnarounds (Cmaj7-A7-Dm7-G7), utilizing the VI7 as a secondary dominant ($V^7/ii$) to create a strong pull toward the ii chord.
  • Features a iii-VI-ii-V chain (Em7-A7-Dm7-G7), providing a continuous circle-of-fifths movement that drives the harmonic motion back to the tonic Cmaj7.
  • Utilizes the A7b9 chord to introduce chromatic tension; the $Bb$ (b9) provides smooth voice leading down to the $A$ in the subsequent Dm7 chord.

Improvisation Focus C Major scale vocabulary with a specific emphasis on using A Harmonic Minor (or A Mixolydian b9 b13) over the A7b9 to resolve to Dm7.

Difficulty Rating 2/5 because the progression relies on standard diatonic cycles and foundational jazz turnarounds that are predictable for intermediate players.


๐Ÿ“š Standard Available in:

The Real Book - Volume V
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