Chord Distribution Analysis

Chord SymbolCountFrequency
Cm71121.2%
F7917.3%
Bbmaj7611.5%
Bb6611.5%
Db0723.8%
Ab7#1123.8%
Gm623.8%
Ebmaj723.8%

Key Patterns Detected

PatternFunctionFrequency
Cm7 -> F7Setup (Major Key)9
F7 -> Bbmaj7Resolution (Major)5
F7 -> Cm7Resolution (Minor)2
Am7 -> D7Setup (Major Key)1
Ebm6 -> Ab7Setup (Major Key)1
Em7b5 -> A7susSetup (Minor Key)1

Harmonic Highlights

  • Employs standard I-ii-V-I progressions in Bb major to establish a clear diatonic foundation.
  • Incorporates a Dbº7 (biiiº) as a chromatic passing chord connecting the tonic to the ii (Cm7).
  • Features a “back-door” dominant resolution (Ab7#11 to Bb6), utilizing the bVII7 to return to the tonic.
  • The bridge introduces secondary dominants (Am7–D7) to pivot toward the IV chord (Ebmaj7) and the relative minor.

Improvisation Focus Bb Major Bebop Scale.

Difficulty Rating 2 (Beginner-Intermediate). The predictable AABA structure and standard functional harmony make it an ideal study for mastering diatonic navigation and basic chromatic substitutions.


📚 Standard Available in:

The Real Book - Volume III
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