Chord Distribution Analysis

Chord SymbolCountFrequency
F7646.2%
Bb7323.1%
Am717.7%
D717.7%
Gm717.7%
C717.7%

Key Patterns Detected

PatternFunctionFrequency
Am7 -> D7Setup (Major Key)1
D7 -> Gm7Resolution (Minor)1
Gm7 -> C7Setup (Major Key)1

Harmonic Highlights

  • The piece primarily features a minimalist two-chord vamp alternating between F7 and Bb7, creating a static, modal-dominant harmonic landscape.
  • Bb7 functions as a blues-influenced IV7, maintaining dominant chord quality throughout the core vamp rather than resolving to a tonic major.
  • A standard ii-V-I turnaround (Am7-D7-Gm7-C7) provides a brief, contrasting moment of functional harmonic progression within the otherwise static form.

Improvisation Focus F Mixolydian scale, incorporating blues inflections and superimposed dominant sonorities.

Difficulty Rating 5 (Advanced). The harmonic simplicity demands immense creativity and melodic ingenuity from the soloist to maintain interest over prolonged, minimalist changes.