Chord Distribution Analysis

Chord SymbolCountFrequency
Dm7820.5%
Gm7615.4%
C7615.4%
F637.7%
Am737.7%
A7b925.1%
Bbm725.1%
Eb725.1%

Key Patterns Detected

PatternFunctionFrequency
Gm7 -> C7Setup (Major Key)6
A7b9 -> Dm7Resolution (Minor)2
Bbm7 -> Eb7Setup (Major Key)2
Dm7 -> G7Setup (Major Key)2
G7 -> Cmaj7Resolution (Major)1
Bm7b5 -> E7b9Setup (Minor Key)1
E7b9 -> Am7Resolution (Minor)1

Harmonic Highlights

  • Prominent ii-V-I tonicization of the dominant (Dm7-G7-Cmaj7), temporarily establishing C major.
  • Utilization of secondary dominants (A7b9 to Dm7) to intensify motion towards diatonic chords.
  • Chromatic ii-V movement (Bbm7-Eb7) creates color, offering a fleeting sense of bIII major harmony.
  • A sophisticated ii-V-i progression into the relative minor (Bm7b5-E7b9-Am7), showcasing advanced minor key harmony.

Improvisation Focus Navigating ii-V-I progressions across various key centers.

Difficulty Rating 4 (Advanced). It features numerous ii-V-I progressions, secondary dominants, and chromatic shifts, demanding precise chord-scale knowledge and harmonic awareness.