Chord Distribution Analysis

Chord SymbolCountFrequency
Gmaj7/D722.6%
D7sus722.6%
F726.5%
Bbmaj726.5%
Abmaj726.5%
D713.2%
Dm713.2%
G713.2%

Key Patterns Detected

PatternFunctionFrequency
Gmaj7/D -> D7susSetup (Major Key)5
D7sus -> Gmaj7/DResolution (Major)2
Dm7 -> G7Setup (Major Key)1
G7 -> Cmaj7Resolution (Major)1
Cmaj7 -> F7Setup (Major Key)1
Cm7 -> F7Setup (Major Key)1
F7 -> Bbmaj7Resolution (Major)1
Bbm7 -> Eb7Setup (Major Key)1
Eb7 -> Abmaj7Resolution (Major)1
Am7 -> D7susSetup (Major Key)1
D7sus -> Gmaj7Resolution (Major)1

Harmonic Highlights:

  • Frequent V7sus-V7 resolution (D7sus-D7) firmly establishes G major as the tonic.
  • Features an early ii-V-I (Dm7-G7-Cmaj7) briefly modulating to C major.
  • Undergoes a strong modulation to Bb major with a clear Cm7-F7-Bbmaj7 ii-V-I.
  • The subsequent Bbm7 implies further non-diatonic movement or a temporary minor key.

Improvisation Focus: Navigating clear modulations by targeting chord tones and guide tones in each new key center.

Difficulty Rating: 4 (Advanced Intermediate). The rapid, distinct modulations to non-related keys require quick harmonic adaptation.