Chord Distribution Analysis

Chord SymbolCountFrequency
Cm7611.5%
Bb659.6%
F759.6%
Gm747.7%
Bb747.7%
Ebmaj735.8%
Db735.8%
Eb635.8%

Key Patterns Detected

PatternFunctionFrequency
Cm7 -> F7Setup (Major Key)4
Bb7 -> Ebmaj7Resolution (Major)3
F7 -> Bbmaj7Resolution (Major)2
Ebmaj7 -> Ab7Setup (Major Key)2
Fm7 -> Bb7Setup (Major Key)2
Eb7 -> Abmaj7Resolution (Major)1
Abmaj7 -> Db7Setup (Major Key)1

Harmonic Highlights

  • Employs a standard I-vi-ii-V “Rhythm Changes” turnaround in Bb Major for the A sections.
  • The B section modulates to the subdominant key of Eb Major via a ii-V-I progression (Fm7 - Bb7 - Ebmaj7).
  • Features a chromatic descending sequence (Dm - Db7 - Cm - B7) utilizing tritone substitutions to provide smooth linear voice leading back to the tonic.

Improvisation Focus Bb Major Bebop Scale and navigating ii-V-I guide-tone resolutions.

Difficulty Rating 2/5: It is a fundamental bebop head that teaches essential functional harmony and subdominant modulation without excessive complexity.


๐Ÿ“š Standard Available in:

The Real Book - Volume VI
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