Chord Distribution Analysis

Chord SymbolCountFrequency
Bbmaj7516.7%
Cm7413.3%
F7413.3%
A7#526.7%
Dm7b5/Ab26.7%
G7sus26.7%
G7b926.7%
F7sus26.7%

Key Patterns Detected

PatternFunctionFrequency
A7#5 -> Dm7b5/AbResolution (Minor)2
Dm7b5/Ab -> G7susSetup (Minor Key)2
G7b9 -> Cm7Resolution (Minor)2
Cm7 -> F7susSetup (Major Key)2
F7 -> Bbmaj7Resolution (Major)2
Cm7 -> F7Setup (Major Key)2
Gm7 -> C7Setup (Major Key)1

Harmonic Highlights:

  • Frequent interplay between the G minor tonic and its relative major, Bbmaj7, often featuring clear ii-V-I progressions in Bb.
  • Utilizes altered dominants (A7#5, G7b9) and a tritone substitution (Dm7b5/Ab acting as Ab7 before G7) to create tension and dynamic resolutions.
  • Incorporates chromatic mediant relationships through Abmaj7 and Dbmaj7, providing distinctive color shifts against the prevailing Bb major tonality.

Improvisation Focus: G melodic minor scale and its modes.

Difficulty Rating: 4 (Advanced Intermediate). Its complex use of altered harmony, tritone substitution, and chromatic modulations demands sophisticated harmonic understanding.