Chord Distribution Analysis

Chord SymbolCountFrequency
Dm7625.0%
A7sus312.5%
Em728.3%
Eb7#1114.2%
D7sus14.2%
Ab714.2%
Gm714.2%
Am714.2%

Key Patterns Detected

PatternFunctionFrequency
Dm7 -> A7susSetup (Major Key)3
A7sus -> Dm7Resolution (Minor)2
Bbm7 -> Eb7Setup (Major Key)1
Fm7 -> Bb7Setup (Major Key)1
Em7 -> A7b5b9Setup (Major Key)1
A7b5b9 -> Dm7Resolution (Minor)1

Harmonic Highlights

  • Utilizes tritone substitutions such as Eb7#11 (subV/i) and Ab7 (subV/IV) to create sophisticated tensions and smooth voice leading toward D minor and G minor.
  • Employs chromatic parallel motion through the Gm7 - Am7 - Bbm7 - Eb7 sequence, necessitating rapid modal transitions away from the tonic center.
  • Features a stepwise bridge (Em7 - Fmaj7 - F#m7 - Fm7) using constant structure harmony that momentarily obscures the key center through non-functional planing.

Improvisation Focus D Dorian foundation combined with Lydian Dominant scales for tritone substitutions.

Difficulty Rating 4 (Advanced): The frequent non-diatonic shifts and rapid chromatic ii-V sequences require high-level harmonic navigation and precise modal switching.


๐Ÿ“š Standard Available in:

The Real Book - Volume II
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