Chord Distribution Analysis

Chord SymbolCountFrequency
Dm6513.9%
Fm7411.1%
Bb738.3%
Ebmaj738.3%
A7b938.3%
Eb738.3%
Cm725.6%
Bbmaj725.6%

Key Patterns Detected

PatternFunctionFrequency
Bb7 -> Ebmaj7Resolution (Major)3
A7b9 -> Dm6Resolution (Minor)2
Gm7 -> C7Setup (Major Key)2
C7 -> Fm7Resolution (Minor)2
Fm7 -> Bb7Setup (Major Key)2
Em7b5 -> A7b9Setup (Minor Key)1
Cm7 -> F7#5Setup (Major Key)1
F7#5 -> Bbmaj7Resolution (Major)1
Cm7 -> F7Setup (Major Key)1
F7 -> Bbmaj7Resolution (Major)1
A7b13 -> Dm6Resolution (Minor)1

  • Harmonic Highlights

    • Frequent use of Fm7-Gbmaj7, a distinct non-diatonic progression suggesting modal interchange from Bb minor or chromatic mediant movement.
    • Temporary tonicization of D minor (iii) through the Em7b5-A7b9-Dm6 ii-V-i progression.
    • Strategic application of secondary dominants (e.g., Bb7 resolving to Ebmaj7) and altered dominants (F7#5) for heightened tension and resolution.
  • Improvisation Focus Melodic Minor Modes.

  • Difficulty Rating 5 (Advanced). Its frequent non-diatonic progressions, altered dominant chords, and temporary modulations demand a deep understanding of advanced chord-scale relationships.