Chord Distribution Analysis

Chord SymbolCountFrequency
Ebmaj7718.9%
Cm7513.5%
Bb738.1%
Dm7b525.4%
G7b925.4%
Bbm725.4%
Eb725.4%
Abmaj725.4%

Key Patterns Detected

PatternFunctionFrequency
Dm7b5 -> G7b9Setup (Minor Key)2
G7b9 -> Cm7Resolution (Minor)2
Bbm7 -> Eb7Setup (Major Key)2
Eb7 -> Abmaj7Resolution (Major)2
Abmaj7 -> Db7#11Setup (Major Key)2
Fm7 -> Bb7Setup (Major Key)2
Cm7 -> F7Setup (Major Key)1
Bb7 -> Ebmaj7Resolution (Major)1
Am7b5 -> D7Setup (Minor Key)1
Ebmaj7 -> Ab7Setup (Major Key)1
Gm7 -> C7Setup (Major Key)1
C7 -> Fm7Resolution (Minor)1

Harmonic Highlights:

  • Prominent use of diatonic (Fm7-Bb7-Ebmaj7) and minor (Dm7b5-G7b9-Cm7) ii-V-I progressions.
  • Tritone substitution seen with Db7#11 resolving to the tonic Ebmaj7.
  • Brief tonicization of the subdominant (Abmaj7) through a ii-V progression (Bbm7-Eb7).

Improvisation Focus: Arpeggio outlining and guide tones through frequent ii-V-I changes.

Difficulty Rating: 3 (Intermediate). It features common jazz progressions like ii-V-I, secondary dominants, and tritone substitutions, requiring solid chord-tone awareness.