Chord Distribution Analysis

Chord SymbolCountFrequency
Bb7716.7%
F7511.9%
Ebmaj749.5%
Cm749.5%
Gm737.1%
C737.1%
Fm737.1%
Bb7sus24.8%

Key Patterns Detected

PatternFunctionFrequency
Cm7 -> F7Setup (Major Key)4
Bb7 -> Ebmaj7Resolution (Major)3
Gm7 -> C7Setup (Major Key)3
Bbm7 -> Eb7Setup (Major Key)2
Eb7 -> Abmaj7Resolution (Major)2
C7 -> Fm7Resolution (Minor)2
Fm7 -> Bb7Setup (Major Key)2
Abm7 -> Db7Setup (Major Key)1
D7b13 -> Gm7Resolution (Minor)1

  • Harmonic Highlights

    • Frequent use of V7/V (F7) as a secondary dominant, extending the dominant preparation for the tonic.
    • Tonicization of the subdominant (IV) via a ii-V-I progression (Bbm7-Eb7-Abmaj7), temporarily shifting harmonic focus.
    • Chromatic embellishment through a ii-V progression (Abm7-Db7) that can function as a tritone substitution or lead into subsequent parallel ii-Vs.
  • Improvisation Focus Altered Dominant scales.

  • Difficulty Rating 4 (Intermediate-Advanced). The tune demands proficiency in navigating secondary dominants, extended ii-V changes, and chromatic substitutions, requiring sophisticated scale and arpeggio choices.