Chord Distribution Analysis

Chord SymbolCountFrequency
Fm7610.3%
Ebmaj758.6%
Cm758.6%
Bb746.9%
Em735.2%
Am735.2%
D735.2%
Gm723.4%

Key Patterns Detected

PatternFunctionFrequency
Fm7 -> Bb7Setup (Major Key)4
Am7 -> D7Setup (Major Key)3
Bbm7 -> Eb7Setup (Major Key)2
Eb7 -> Abmaj7Resolution (Major)2
Dm7b5 -> G7Setup (Minor Key)2
G7 -> CmResolution (Minor)2
Abm7 -> Db7Setup (Major Key)2
Bb7 -> Ebmaj7Resolution (Major)2
D7 -> Gmaj7Resolution (Major)1

Harmonic Highlights

  • The progression utilizes secondary dominants, specifically Bbm7โ€“Eb7, to tonicize the IV chord (Abmaj7), creating a classic “A” section movement.
  • A recurring ii-V-i turnaround (Dm7b5โ€“G7โ€“Cm) emphasizes the relative minor, providing a dark contrast to the Eb major tonic.
  • The bridge features a notable modulation to G Major (the major III), representing a chromatic mediant shift that elevates the harmonic tension.
  • Extensive use of the minor subdominant (Abm6) acts as a poignant modal interchange chord to facilitate the return to the Ebmaj7 tonic.

Improvisation Focus The Eb Major Bebop scale, incorporating chromatic passing tones to navigate the frequent ii-V-I resolutions.

Difficulty Rating 3/5. While the A sections are largely diatonic, the bridge’s modulation and the minor ii-V-i sequences require intermediate-level control of shifting tonal centers.


๐Ÿ“š Standard Available in:

The Real Book - Volume III
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