Chord Distribution Analysis

Chord SymbolCountFrequency
C7310.0%
Fmaj726.7%
E7sus26.7%
E7alt26.7%
Ebmaj726.7%
D7sus26.7%
D7b926.7%
G726.7%

Key Patterns Detected

PatternFunctionFrequency
C7 -> GmResolution (Minor)1
Em7b5 -> A7b9Setup (Minor Key)1
A7b9 -> DmResolution (Minor)1
Gm7 -> C7b9Setup (Major Key)1
C7b9 -> Fmaj7Resolution (Major)1
Gm7 -> C7Setup (Major Key)1

Harmonic Highlights

  • The progression utilizes extensive parallel chromaticism, notably the descending movement from Fmaj7 through E7 variants to Ebmaj7, creating a lush, sophisticated bridge between tonal centers.
  • Frequent use of suspended dominant chords (E7sus, D7sus) delays resolution and adds a “floating” quality to the minor tonality.
  • The core harmonic structure relies on classic minor ii-V-i cycles (Em7b5 - A7b9 - Dm) to re-establish the D minor key center amidst chromatic departures.
  • Secondary dominants and substitutions, such as D7b9 leading to Gm and the inclusion of Bb7, provide dense harmonic color and facilitate smooth voice leading.

Improvisation Focus: D Harmonic Minor.

Difficulty Rating: 3/5. While the D minor foundation is clear, the frequent chromatic shifts and altered dominant extensions require precise guide-tone navigation and harmonic awareness.