Chord Distribution Analysis

Chord SymbolCountFrequency
Cm734.3%
C#m734.3%
Bm7b522.9%
E1322.9%
Am22.9%
A7#522.9%
Dm722.9%
G7b922.9%

Key Patterns Detected

PatternFunctionFrequency
A7#5 -> Dm7Resolution (Minor)2
G7b9 -> Cmaj7Resolution (Major)2
C#m7 -> F#7Setup (Major Key)2
Dm7 -> G7b9Setup (Major Key)1
Fm7 -> Bb7Setup (Major Key)1
Bb7 -> Ebmaj7Resolution (Major)1
Am7 -> D7Setup (Major Key)1
D7 -> Gmaj7Resolution (Major)1
F#7 -> Bmaj7Resolution (Major)1
Bbm7b5 -> Eb7Setup (Minor Key)1
Eb7 -> Abm7Resolution (Minor)1
Fm7b5 -> Bb7#5#9Setup (Minor Key)1
Bb7#5#9 -> Ebm7Resolution (Minor)1
Dmaj7/A -> A7susSetup (Major Key)1
A7sus -> Dmaj7/AResolution (Major)1
Dmaj7/A -> G7susSetup (Major Key)1
Cmaj7/G -> G7susSetup (Major Key)1
G7 -> Cmaj7/GResolution (Major)1
B7#5 -> Em7Resolution (Minor)1
G7#5 -> Cm7Resolution (Minor)1
C7b9 -> Fm9Resolution (Minor)1
Dm7b5 -> G7#5#9Setup (Minor Key)1
G7#5#9 -> Cm7Resolution (Minor)1
Eb7sus -> Abmaj7Resolution (Major)1
F#7#11 -> Bm7b5Resolution (Minor)1

Harmonic Highlights

  • Frequent secondary ii-V-I sequences modulating through distantly related keys, notably shifting to the bVI (Eb major) and III (B major).
  • Sophisticated voice leading using altered dominants (A7#5, G7b9) to facilitate chromatic transitions between diatonic targets.
  • Extensive modal interchange, such as the Fm7-Bb7 sequence, which introduces subdominant minor colors within a broader G major framework.

Improvisation Focus Navigating rapid tonal center shifts using the Melodic Minor and Altered scales to connect fragmented ii-V-I cells.

Difficulty Rating 5 (Advanced): The extreme harmonic density and constant modulations between non-diatonic keys require master-level vertical awareness and sophisticated voice leading.


๐Ÿ“š Standard Available in:

The Real Book - Volume I
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