Chord Distribution Analysis

Chord SymbolCountFrequency
Gmaj7717.5%
Am7615.0%
D7512.5%
Dm737.5%
G737.5%
E725.0%
Cmaj725.0%
Bm712.5%

Key Patterns Detected

PatternFunctionFrequency
Am7 -> D7Setup (Major Key)5
D7 -> Am7Resolution (Minor)3
Dm7 -> G7Setup (Major Key)3
G7 -> Dm7Resolution (Minor)2
Bm7 -> E7Setup (Major Key)1
E7 -> Am7Resolution (Minor)1
G7 -> Cmaj7Resolution (Major)1
F#m7b5 -> B7b9Setup (Minor Key)1
Am7b5 -> D7b9Setup (Minor Key)1
D7b9 -> Gmaj7Resolution (Major)1
Bm7b5 -> E7b9Setup (Minor Key)1
E7b9 -> Am7Resolution (Minor)1
Cm6 -> F7Setup (Major Key)1

  • Extended tonic Gmaj7 establishes a strong tonal center before introducing harmonic movement.
  • The Bm7-E7-Am7-D7 progression functions as a iii-VI7/ii-ii-V in G, showcasing a common circle-of-fifths movement towards the tonic.
  • The Dm7-G7 sequence introduces a ii-V progression to C major (IV), indicating a temporary tonicization or common turnaround.

Improvisation Focus: Navigating ii-V progressions and secondary dominants.

Difficulty Rating: 3 (Intermediate). It features standard ii-V progressions and a secondary dominant, requiring familiarity with diatonic extensions and chord-scale relationships.