Chord Distribution Analysis

Chord SymbolCountFrequency
Fmaj7614.3%
C7614.3%
Gm7511.9%
F7511.9%
Cm749.5%
Bbmaj749.5%
F#0724.8%
Bbm724.8%

Key Patterns Detected

PatternFunctionFrequency
Gm7 -> C7Setup (Major Key)5
Cm7 -> F7Setup (Major Key)4
F7 -> Bbmaj7Resolution (Major)4
C7 -> Fmaj7Resolution (Major)3
D7 -> Gm7Resolution (Minor)2
F7 -> Cm7Resolution (Minor)1
Bbmaj7 -> F7Setup (Major Key)1

Harmonic Highlights:

  • The F#07 functions as a chromatic diminished (vii°/ii), creating a passing motion to Gm7 (ii).
  • A clear ii-V-I progression (Cm7-F7-Bbmaj7) briefly tonicizes the subdominant (Bb major).
  • The secondary dominant D7 (V/ii) effectively leads to the Gm7 (ii) chord.
  • Frequent repetition of the Cm7-F7 (ii-V of Bb) reinforces the subdominant area.

Improvisation Focus: Navigating the F major tonality and its subdominant tonicization using the major scale and its associated modes (Ionian, Mixolydian).

Difficulty Rating: 3 (Intermediate) It presents standard ii-V-I progressions, a secondary dominant, and a chromatic passing chord, making it suitable for intermediate study.