Chord Distribution Analysis

Chord SymbolCountFrequency
Ebmaj7321.4%
Fm7214.3%
Bb7214.3%
Abmaj7214.3%
Db7#11214.3%
E0717.1%
F#m717.1%
B717.1%

Key Patterns Detected

PatternFunctionFrequency
Fm7 -> Bb7Setup (Major Key)2
Abmaj7 -> Db7#11Setup (Major Key)1
F#m7 -> B7Setup (Major Key)1

Harmonic Highlights:

  • Employs a Viiø7/ii (Eø7 to Fm7) as an effective passing diminished chord.
  • Features a prominent backdoor dominant (Db7#11) resolving to the tonic Ebmaj7.
  • Introduces a sudden chromatic ii-V (F#m7-B7) that momentarily shifts harmonic color before returning to the primary ii-V.

Improvisation Focus: Navigating various dominant qualities (especially #11 and altered) and temporary tonal centers with appropriate chord-scales.

Difficulty Rating: 4 (Advanced Intermediate). The frequent use of non-diatonic chords like backdoor dominants, passing diminished, and chromatic ii-Vs requires sophisticated harmonic awareness.