Chord Distribution Analysis

Chord SymbolCountFrequency
Cm749.1%
Am736.8%
D736.8%
Ebmaj724.5%
Dbmaj7/Eb24.5%
Gmaj724.5%
Fm724.5%
G7#524.5%

Key Patterns Detected

PatternFunctionFrequency
Am7 -> D7Setup (Major Key)3
D7 -> Gmaj7Resolution (Major)2
Dm7b5 -> G7b9Setup (Minor Key)1
G7b9 -> Cm7Resolution (Minor)1
G7#5 -> Cm7Resolution (Minor)1
Em7 -> A7Setup (Major Key)1
Bm7 -> E7Setup (Major Key)1
C#m7 -> F#7Setup (Major Key)1

Harmonic Highlights

  • Non-functional slash chords like Dbmaj7/Eb create an Eb Lydian/Mixolydian hybrid sound, establishing a “sus” quality that avoids traditional dominant tension.
  • Rapid modulation between distantly related keys, such as the sudden shift from the Cm7/Abmaj7 environment to a bright Gmaj7 tonal center via an Am7-D7 pivot.
  • Frequent use of secondary subdominants (Abmaj7#11) and deceptive resolutions that challenge the listener’s expectation of a fixed G minor tonic.

Improvisation Focus Modal interchange and navigating sudden shifts between major and minor tonalities while maintaining a cohesive melodic narrative.

Difficulty Rating 5/5: The non-intuitive 34-bar structure and frequent, distant modulations require advanced harmonic knowledge and precise ear training to navigate fluently.


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The Real Book - Volume I
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