Chord Distribution Analysis

Chord SymbolCountFrequency
F7624.0%
Cm7b5416.0%
Bbmaj7312.0%
C7312.0%
Ebmaj728.0%
Fmaj728.0%
F#0728.0%
Gm728.0%

Key Patterns Detected

PatternFunctionFrequency
Cm7b5 -> F7Setup (Minor Key)4
F7 -> Cm7b5Resolution (Minor)3
F7 -> Bbmaj7Resolution (Major)3
Gm7 -> C7Setup (Major Key)2
C7 -> Fmaj7Resolution (Major)1
Cm7 -> F7Setup (Major Key)1

Harmonic Highlights

  • The recurring Cm7b5 - F7 creates a distinctive minor ii-V sound, often preceding a major tonic (Bbmaj7) or functioning as a blues-inflected vamp.
  • A prominent F#07 serves as a #iv°7 passing diminished chord, resolving chromatically to Gm7 (vi) and adding rich tension.
  • Secondary dominant function is elaborated via the Gm7 - C7 progression, acting as a ii-V to the dominant (Fmaj7).

Improvisation Focus Navigating altered dominant scales and diminished arpeggios over specific chord qualities.

Difficulty Rating 3. It features non-diatonic chords like the #iv°7 and a minor ii-V leading to a major tonic, requiring specific harmonic awareness for improvisation.