Chord Distribution Analysis

Chord SymbolCountFrequency
Fmaj7618.8%
Eb7412.5%
G739.4%
Am739.4%
F726.2%
Bbmaj726.2%
Dm726.2%
Bm7b526.2%

Key Patterns Detected

PatternFunctionFrequency
F7 -> Bbmaj7Resolution (Major)2
Bbmaj7 -> Eb7Setup (Major Key)2
Dm7 -> G7Setup (Major Key)2
Bm7b5 -> E7b9Setup (Minor Key)1
E7b9 -> Am7Resolution (Minor)1
Am7 -> D7Setup (Major Key)1
C7 -> Fmaj7Resolution (Major)1

Harmonic Highlights:

  • Eb7 (bVII7) providing a backdoor dominant resolution to Fmaj7.
  • Bm7b5-E7b9-Am7 creating a clear iiø7-V7b9 tonicization of the mediant (iii) chord.
  • The Am7-D7-G7-C7 progression forms an extended dominant chain resolving to Fmaj7.

Improvisation Focus: Altered Scale over V7 chords.

Difficulty Rating: 4. It features multiple temporary tonicizations and extended dominant progressions, requiring advanced harmonic awareness.