Chord Distribution Analysis

Chord SymbolCountFrequency
Dm11421.1%
Cm11421.1%
Gm7210.5%
Am7210.5%
Bbm715.3%
Eb715.3%
D715.3%
G/D15.3%

Key Patterns Detected

PatternFunctionFrequency
Bbm7 -> Eb7Setup (Major Key)1
Am7 -> D7Setup (Major Key)1

  • Establishes C major via an extended Dm11 before an early pivot to C minor (Cm11) and subsequent modulations.
  • Features a rapid and unexpected ii-V progression (Bbm7-Eb7) to Ab major, demonstrating sophisticated harmonic movement.
  • Incorporates a distinct D pedal point section (G/D, Am7/D, Bb0/D, Bm7/D), showcasing advanced upper-structure voicings and chromatic bass movement.
  • Employs modal interchange and chromaticism throughout, moving between major, minor, and diminished sonorities.

Improvisation Focus: Navigating modal interchange and target key scales during rapid modulations.

Difficulty Rating: 4 (Advanced). The frequent modulations, pedal point section with unusual voicings, and implied harmonic complexity require a deep understanding of jazz harmony.