Chord Distribution Analysis

Chord SymbolCountFrequency
Dm7619.4%
Bb7#11412.9%
Em7b5412.9%
A7b9412.9%
Bb6412.9%
Gm739.7%
Cm739.7%
F739.7%

Key Patterns Detected

PatternFunctionFrequency
Em7b5 -> A7b9Setup (Minor Key)4
Cm7 -> F7Setup (Major Key)3
A7b9 -> Dm7Resolution (Minor)2

Harmonic Highlights

  • Dual-tonality structure: The A-section centers on D minor (i) while the resolution and bridge emphasize Bb major (I).
  • The Bb7#11 functions as a Lydian Dominant chord, acting as a chromatic neighbor or tritone-related tension resolving back to the Dm7.
  • Minor ii-V-i sequences (Em7b5 - A7b9 - Dm) create strong functional pull toward the minor tonic, contrasting the major-key cycles.
  • The bridge utilizes standard I-vi-ii-V cycles in Bb major, providing a familiar “rhythm changes” harmonic framework.

Improvisation Focus D Melodic Minor.

Difficulty Rating 2: The piece utilizes standard functional harmony and accessible ii-V patterns, making it an excellent study for navigating minor-to-major key shifts.


๐Ÿ“š Standard Available in:

The Real Book - Volume III
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