Chord Distribution Analysis

Chord SymbolCountFrequency
Cmaj7724.1%
Fm6413.8%
Am26.9%
Am/maj7/G#26.9%
Am7/G26.9%
Am6/F#26.9%
G726.9%
C626.9%

Key Patterns Detected

PatternFunctionFrequency
Bm7b5 -> E7b9Setup (Minor Key)2
Cmaj7 -> G7Setup (Major Key)1
E7b9 -> AmResolution (Minor)1
A7 -> Dm7Resolution (Minor)1
Dm7 -> G7Setup (Major Key)1

Harmonic Highlights

  • Chromatic Line Cliché: The A minor section features a descending inner voice (A–G#–G–F#), requiring precise voice-leading and awareness of the shifting Am/maj7 and Am6 colors.
  • Modal Mixture: The progression uses Fm6 (the minor iv) within the C major section, creating a poignant subdominant minor resolution to the tonic Cmaj7.
  • Relative Key Navigation: The harmonic structure pivots seamlessly between A minor and its relative major, C major, using a Bm7b5–E7b9 turnaround to re-establish the minor tonality.

Improvisation Focus Targeting the descending chromatic line (A-G#-G-F#) using A Melodic Minor and A Dorian.

Difficulty Rating 3/5: While the melody is accessible, the improviser must navigate chromatic inner-voice movement and the distinct “dark” color of the borrowed Fm6 chord.


📚 Standard Available in:

The Real Book - Volume II
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