Chord Distribution Analysis

Chord SymbolCountFrequency
Fm71118.0%
Bb71016.4%
Gm7711.5%
Ebmaj746.6%
Eb646.6%
E0734.9%
Abmaj734.9%
C723.3%

Key Patterns Detected

PatternFunctionFrequency
Fm7 -> Bb7Setup (Major Key)8
Bb7 -> Ebmaj7Resolution (Major)3
Gm7 -> D7b9Setup (Major Key)2
Gm7 -> C7Setup (Major Key)1
C7 -> Fm7Resolution (Minor)1
Am7 -> D7Setup (Major Key)1
D7 -> Gm7Resolution (Minor)1
D7b9 -> Gm7Resolution (Minor)1
Am7b5 -> D7Setup (Minor Key)1
Fm7 -> Bb7susSetup (Major Key)1

Harmonic Highlights

  • Employs a frequent I - #I°7 - ii - V7 turnaround (Ebmaj7 - E°7 - Fm7 - Bb7), creating smooth chromatic voice leading in the bass toward the supertonic.
  • Incorporates secondary dominants, specifically VI7 (C7) leading to ii (Fm7), to provide harmonic drive and reinforce the subdominant area.
  • Utilizes chromatic diminished passing chords (F#°7) between iii (Gm7) and ii (Fm7) to maintain melodic momentum and bridge diatonic gaps.

Improvisation Focus The Eb Major Bebop scale is the primary tool for navigating the frequent ii-V-I progressions and integrating chromatic passing tones effectively.

Difficulty Rating 2/5 — The progression follows a highly predictable circle-of-fifths logic and standard diatonic functions, making it accessible for intermediate improvisers.


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The Real Book - Volume V
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