Chord Distribution Analysis

Chord SymbolCountFrequency
Ebmaj7220.0%
Cm7110.0%
Fm7110.0%
Bb7110.0%
Gm7110.0%
C7110.0%
Abm7110.0%
Db7110.0%

Key Patterns Detected

PatternFunctionFrequency
Fm7 -> Bb7Setup (Major Key)1
Gm7 -> C7Setup (Major Key)1
Abm7 -> Db7Setup (Major Key)1

Harmonic Highlights

  • Utilizes a cyclical I-vi-ii-V foundation in Eb major, frequently embellished by secondary dominants like Gm7-C7 to reinforce the ii chord (Fm7).
  • Incorporates a “backdoor” ii-V sequence (Abm7-Db7) that deceptively resolves to Emaj7 instead of the expected Eb tonic.
  • Employs chromatic side-slipping via an Emaj7 to Ebmaj7 resolution, a characteristic Paul Desmond device that creates a lush, temporary lift before returning to the home key.

Improvisation Focus Voice leading through chromatic target tones, specifically navigating the half-step shift from the Emaj7 neighborhood back to the Eb tonic.

Difficulty Rating 3/5: While the foundation is diatonic, the frequent excursions into non-functional harmony and side-slipping require intermediate-level harmonic awareness and precise ear training.


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The Real Book - Volume II
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