Chord Distribution Analysis

Chord SymbolCountFrequency
Em7b5819.0%
A7b9819.0%
Dm614.3%
Gm749.5%
C749.5%
Fmaj749.5%
Eb7#1124.8%
Db7#1124.8%

Key Patterns Detected

PatternFunctionFrequency
Em7b5 -> A7b9Setup (Minor Key)6
A7b9 -> DmResolution (Minor)5
Gm7 -> C7Setup (Major Key)4
C7 -> Fmaj7Resolution (Major)4

Harmonic Highlights

  • Employs repetitive minor ii-V-i cadences (Em7b5–A7b9–Dm) to anchor the somber D minor tonality and provide a structural foundation.
  • Features chromatic tritone substitutions (Eb7#11 and Db7#11) that act as sophisticated passing chords leading toward the subdominant (Gm7).
  • Utilizes a ii-V-I progression (Gm7–C7–Fmaj7) to momentarily shift to the relative major, creating essential tonal contrast.
  • Uses Bb7 as a subdominant minor substitution, functioning as a “backdoor” dominant to resolve tension back toward the tonic or dominant.

Improvisation Focus D Harmonic Minor to accommodate the A7b9 dominant alterations while maintaining the D minor blues aesthetic.

Difficulty Rating 3/5: The ballad tempo allows for melodic space, but the performer must navigate non-diatonic chromatic substitutions and altered dominant tensions effectively.


📚 Standard Available in:

The Real Book - Volume II
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