Chord Distribution Analysis

Chord SymbolCountFrequency
Bb7b9726.9%
Fm7b5623.1%
Ebm6415.4%
Cm7b527.7%
Bbm727.7%
Eb727.7%
Ab727.7%
B713.8%

Key Patterns Detected

PatternFunctionFrequency
Fm7b5 -> Bb7b9Setup (Minor Key)6
Bb7b9 -> Fm7b5Resolution (Minor)3
Bb7b9 -> Ebm6Resolution (Minor)3
Bbm7 -> Eb7Setup (Major Key)2
Eb7 -> Bbm7Resolution (Minor)1

Harmonic Highlights:

  • Prominent use of the minor iiø7-V7b9 progression (Fm7b5 - Bb7b9) firmly establishing the Eb minor key center.
  • Clear modulation to Ab major is presented through a ii-V (Bbm7 - Eb7) sequence, sustained by Ab7.
  • A brief, impactful chromatic dominant approach occurs with the B7 chord resolving to Bb7b9, leading back to the Eb minor dominant.

Improvisation Focus: Eb Harmonic Minor scale.

Difficulty Rating: 3 (Intermediate) - The standard features modulations and chromatic dominant approaches that require navigating multiple key areas.