Chord Distribution Analysis

Chord SymbolCountFrequency
Cmaj7412.9%
Bbmaj7412.9%
Cm739.7%
Amaj726.5%
Gmaj726.5%
Bb726.5%
Ebmaj726.5%
Gbmaj726.5%

Key Patterns Detected

PatternFunctionFrequency
Dm7b5 -> G7b9Setup (Minor Key)1
G7b9 -> Cmaj7Resolution (Major)1
Bb7 -> Ebmaj7Resolution (Major)1
Ebmaj7 -> Bb7Setup (Major Key)1

  • Initial use of non-diatonic Amaj7 and Gmaj7 creates a Lydian-esque, floating quality, moving away from a strict G minor diatonicism.
  • Features a clear, albeit chromatic, modulation to C Major via a Dm7b5-G7b9-Cmaj7 ii-V-I progression, with an unexpected Dbm7 pre-dominant.
  • Incorporates a distinct modulation to Eb Major through a functional Cm7-Bb7-Ebmaj7 ii-V-I progression, demonstrating substantial harmonic movement.
  • The major-to-minor tonic shift (Cmaj7 to Cm7) adds a classic jazz harmonic color and sets up subsequent dominant motion.

Improvisation Focus: Chord-scale theory applied to the frequently shifting local key centers.

Difficulty Rating: 5 (Advanced) - Its frequent, non-diatonic modulations and complex chord alterations demand advanced harmonic understanding and improvisational agility.