Chord Distribution Analysis

Chord SymbolCountFrequency
Dm7312.5%
Cm7312.5%
F7312.5%
Ebmaj728.3%
Ebm628.3%
Db0728.3%
Bb628.3%
Am714.2%

Key Patterns Detected

PatternFunctionFrequency
Cm7 -> F7Setup (Major Key)3
Am7 -> D7Setup (Major Key)1
Dm7 -> G7Setup (Major Key)1
Gm7 -> C7Setup (Major Key)1
Bb7 -> Ebmaj7Resolution (Major)1

Harmonic Highlights

  • Features a classic IVmaj7 to ivm6 progression (Ebmaj7 to Ebm6), creating a nostalgic minor plagal cadence through the introduction of the b6 interval (Gb).
  • Employs a chromatic descending bridge (Dm7 - Db°7 - Cm7), where the diminished chord acts as a passing connector between the iii and ii degrees.
  • Utilizes secondary ii-V chains (Am7-D7 and Gm7-C7) to create forward momentum and tonicize the vi and V chords respectively.

Improvisation Focus Voice leading the chromatic descent from the natural 6 to the b6 over the subdominant (Eb to Ebm) and navigating the iii-biii°-ii turnaround.

Difficulty Rating 2/5 — The harmonic rhythm is active, but the changes follow predictable swing-era conventions and standard functional cycles.


📚 Standard Available in:

The Real Book - Volume II
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