Chord Distribution Analysis

Chord SymbolCountFrequency
Bb7613.6%
Fm7511.4%
Gm749.1%
Ebmaj736.8%
Abmaj736.8%
Cm736.8%
Bbm724.5%
E724.5%

Key Patterns Detected

PatternFunctionFrequency
Fm7 -> Bb7Setup (Major Key)4
Abm7 -> Db7#11Setup (Major Key)2
Bm7 -> E7Setup (Major Key)1
Bbm7 -> Eb7Setup (Major Key)1
Eb7 -> Abmaj7Resolution (Major)1
C#m7 -> F#7Setup (Major Key)1
Cm7 -> F7Setup (Major Key)1
Bb7 -> Ebmaj7Resolution (Major)1
C7 -> Fm7Resolution (Minor)1

Harmonic Highlights:

  • The A-section utilizes descending parallel major 7th chords (Ebmaj7 - Dbmaj7 - Bmaj7), a signature Dameron technique that moves away from traditional functional harmony toward a “parallelism” style.
  • Frequent “side-slipping” ii-V sequences, such as Gbm7-B7 moving to Fm7-Bb7, require the soloist to navigate chromatic shifts that bypass the home key of Eb.
  • Extensive use of tritone substitutions and chromatic approach chords (such as E7 resolving to Ebmaj7) creates a sophisticated, “misty” texture by softening dominant resolutions.
  1. Improvisation Focus: Guide tone voice leading through rapid, non-functional ii-V sequences.

  2. Difficulty Rating: 4/5. The constant modulation through unrelated keys and the reliance on non-diatonic parallel movements demand advanced harmonic awareness and quick melodic transposition.


📚 Standard Available in:

The Real Book - Volume VI
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