Chord Distribution Analysis

Chord SymbolCountFrequency
Fmaj749.5%
Fm749.5%
Bb749.5%
Am749.5%
Gm749.5%
Fmaj7/C49.5%
Bbm724.8%
Eb724.8%

Key Patterns Detected

PatternFunctionFrequency
F#m7 -> B7Setup (Major Key)2
Fm7 -> Bb7Setup (Major Key)2
Am7 -> D7Setup (Major Key)2
Abm7 -> Db7Setup (Major Key)2
Dbm7 -> Gb7Setup (Major Key)2

Harmonic Highlights

  • Frequent, abrupt shifts between parallel major (Fmaj7) and minor (Fm7) tonalities.
  • Extensive use of non-diatonic ii-V progressions leading to distant key centers (e.g., F#m7-B7 to E, Abm7-Db7 to Gb).
  • Complex, rapid chains of ii-V movements (e.g., Abm7-Db7 then Dbm7-Gb7) generating challenging harmonic instability.

Improvisation Focus Chord-scale improvisation, emphasizing accurate articulation of temporary tonalities and distant key centers.

Difficulty Rating 5 (Advanced). The rapid, unpredictable modulations and complex non-diatonic ii-V cycles demand exceptional harmonic understanding and technical fluency.