Chord Distribution Analysis

Chord SymbolCountFrequency
D71129.7%
Am71027.0%
Gmaj7513.5%
G625.4%
Dm712.7%
G712.7%
Cmaj712.7%
Am7b512.7%

Key Patterns Detected

PatternFunctionFrequency
Am7 -> D7Setup (Major Key)9
D7 -> Am7Resolution (Minor)6
D7 -> Gmaj7Resolution (Major)2
Dm7 -> G7Setup (Major Key)1
G7 -> Cmaj7Resolution (Major)1
Am7b5 -> D7Setup (Minor Key)1
Bm7b5 -> E7Setup (Minor Key)1
E7 -> Am7Resolution (Minor)1
Em7 -> A7Setup (Major Key)1

Harmonic Highlights

  • Persistent ii-V sequences (Am7-D7) reinforce the G major tonic while providing rhythmic forward motion.
  • A secondary ii-V (Dm7-G7) facilitates a smooth modulation to the subdominant Cmaj7.
  • The inclusion of a minor ii-V (Am7b5-D7) introduces chromatic tension and melodic minor colors before resolving to the tonic.
  • The Bm7b5-E7-Am7 progression utilizes a iii-VI-ii sequence, standardizing the circle-of-fifths movement back toward the predominant.

Improvisation Focus Guide Tone Voice Leading: Target the resolution of the b7 of the V7 chord to the 3rd of the subsequent chord to navigate the frequent ii-V cycles.

Difficulty Rating 2/5: The harmonic structure relies on predictable diatonic cliches and standard jazz turnarounds, making it highly accessible for intermediate soloists.


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The Real Book - Volume I
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