Chord Distribution Analysis

Chord SymbolCountFrequency
G7615.0%
Em7512.5%
A7512.5%
Dm7410.0%
Am7410.0%
D7410.0%
Abm725.0%
Db725.0%

Key Patterns Detected

PatternFunctionFrequency
Em7 -> A7Setup (Major Key)5
Dm7 -> G7Setup (Major Key)4
Am7 -> D7Setup (Major Key)4
G7 -> Dm7Resolution (Minor)3
A7 -> Em7Resolution (Minor)2
Abm7 -> Db7Setup (Major Key)2
Gm7 -> C7Setup (Major Key)2
C7 -> Gm7Resolution (Minor)1
C7 -> Fmaj7Resolution (Major)1
D7 -> Am7Resolution (Minor)1
Cmaj7 -> F7Setup (Major Key)1

Harmonic Highlights:

  • Features an AABA form primarily built on ii-V cycles, initiating with Dm7-G7 in C major.
  • Employs sequential ii-V progressions like Em7-A7, often functioning as secondary dominants leading to related keys.
  • Introduces a prominent tritone substitution via Abm7-Db7 (ii-V of Gb major), providing chromatic tension.
  • The bridge typically modulates to the subdominant key (Fmaj7), utilizing Gm7-C7 as its ii-V.

Improvisation Focus: Mastering ii-V-I progressions and their associated diatonic and dominant scales.

Difficulty Rating: 2 (Beginner) The harmonic progression is foundational for jazz standards, offering clear ii-V-I relationships with a few accessible chromatic deviations.