Chord Distribution Analysis

Chord SymbolCountFrequency
Fmaj7#11225.0%
Cmaj7/E225.0%
Cmaj7112.5%
Am7112.5%
Bm7b5112.5%
E7b9112.5%

Key Patterns Detected

PatternFunctionFrequency
Bm7b5 -> E7b9Setup (Minor Key)1

  • The progression frequently utilizes a serene I-vi oscillation (Cmaj7-Am7) establishing a clear tonic center.
  • The prominent Fmaj7#11 (IVmaj7#11) introduces a bright Lydian quality, adding sophisticated harmonic color to the subdominant.
  • A concise Bm7b5 - E7b9 (viiø7 - III7b9) movement provides a classic minor ii-V function, leading smoothly to Am7 (vi).
  • Cmaj7/E functions as a diatonic inversion, prolonging the tonic harmony while facilitating melodic bass movement.

Improvisation Focus: Diatonic modes of C Major, emphasizing Lydian over Fmaj7#11.

Difficulty Rating: 3. The harmony is primarily diatonic but incorporates characteristic jazz extensions and a brief minor ii-V, requiring modal awareness.