Chord Distribution Analysis

Chord SymbolCountFrequency
Bbmaj7515.6%
F7412.5%
C739.4%
Gbmaj739.4%
Fm726.2%
Bb726.2%
Ebmaj726.2%
Ebm726.2%

Key Patterns Detected

PatternFunctionFrequency
Fm7 -> Bb7Setup (Major Key)2
Bb7 -> Ebmaj7Resolution (Major)2
Ebm7 -> Ab7#11Setup (Major Key)2
Dm7 -> G7Setup (Major Key)1
F7 -> Bbmaj7Resolution (Major)1
Cm7 -> F7Setup (Major Key)1

Harmonic Highlights:

  • Employs a characteristic minor iv-V (Ebm7-Ab7#11) resolving to the tonic Bbmaj7, utilizing the Ab7#11 (Lydian Dominant) for a distinct sound.
  • Features a sudden, unadorned chromatic mediant shift to Gbmaj7 (bVImaj7), creating harmonic ambiguity and rich tension before returning to the tonic area.
  • Incorporates a cycle of secondary dominants (G7#5-C7-F7) leading to the tonic, notably showcasing an altered dominant (G7#5) for color.

Improvisation Focus: Altered Dominant Scales.

Difficulty Rating: 4 (Advanced Intermediate) - The chromatic mediant shifts, altered dominants, and non-diatonic resolutions require a solid understanding of advanced harmonic concepts.