Chord Distribution Analysis

Chord SymbolCountFrequency
Bb6635.3%
Cm7635.3%
F7317.6%
Gm7211.8%

Key Patterns Detected

PatternFunctionFrequency
Cm7 -> F7Setup (Major Key)2

Harmonic Highlights:

  • Features a foundational I-ii-V-I progression (Bb6-Cm7-F7-Bb6) establishing the major key center.
  • Incorporates the vi minor chord (Gm7), creating the classic I-vi-ii-V progression typical of many standards.
  • Frequent repetition of the ii-V (Cm7-F7) sequence provides clear dominant function leading back to the tonic.
  • The progression remains predominantly diatonic to Bb major, avoiding complex modulations in the provided sample.

Improvisation Focus: Bb Major Scale (and its diatonic modes).

Difficulty Rating: 2 (Beginner-Intermediate). The harmony is predominantly diatonic with common ii-V-I progressions, making it accessible for developing improvisers.