Chord Distribution Analysis

Chord SymbolCountFrequency
G7sus1020.4%
Cmaj7816.3%
Abmaj7510.2%
Eb748.2%
C36.1%
Em736.1%
A736.1%
Dm736.1%

Key Patterns Detected

PatternFunctionFrequency
Cmaj7 -> G7susSetup (Major Key)8
G7sus -> Cmaj7Resolution (Major)6
Abmaj7 -> Eb7Setup (Major Key)4
Eb7 -> Abmaj7Resolution (Major)4
Em7 -> A7Setup (Major Key)2
A7 -> Dm7Resolution (Minor)2
Dm7 -> G7susSetup (Major Key)2
Dm7 -> G7Setup (Major Key)1
G7 -> Cmaj7Resolution (Major)1

Harmonic Highlights

  • The “A” section utilizes a recurring I - Vsus oscillation, creating a suspended, ethereal quality before moving into the core progression.
  • Chromatic parallel movement occurs through the F#m7b5 - Fm7 - Em7 sequence, transitioning from the #iv m7b5 to the parallel minor iv, then resolving to the iii.
  • A prominent modulation to the bVI key (Ab Major) uses repeating IMaj7 - V7 cells, requiring a temporary shift in tonal center away from the C major home key.
  • Functional ii-V-I resolutions (Dm7 - G7sus - C) anchor the piece back to the C major tonic after these chromatic excursions.

Improvisation Focus Modal Interchange (specifically targeting the pivot between C Major and the bVI Major tonality).

Difficulty Rating 3 (Intermediate): While the tempo is usually slow, the abrupt modulation to the flat-six key requires melodic fluency across distant tonal centers.


๐Ÿ“š Standard Available in:

The Real Book - Volume VI
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