Chord Distribution Analysis

Chord SymbolCountFrequency
Bbm737.1%
Dbmaj737.1%
Bbm7b924.8%
Eb13b924.8%
Ab0724.8%
Abmaj724.8%
Eb1324.8%
Ebm724.8%

Key Patterns Detected

PatternFunctionFrequency
F#m7 -> B7Setup (Major Key)1
B7 -> Emaj7Resolution (Major)1
Bbm7/Eb -> Eb7Setup (Major Key)1
Eb7 -> Bbm7b9Resolution (Minor)1
Ebm7 -> Ab7b9Setup (Major Key)1
Ab7b9 -> Dbmaj7Resolution (Major)1
Bbm7 -> Eb7susSetup (Major Key)1

  • Extended ii-V functionality featuring altered dominant voicings (b9, #11) and chromatic embellishments.
  • Prominent tritone substitutions and non-functional dominant movements creating unexpected resolutions (e.g., D9#11 to Dbmaj7, E7 to Dbmaj7).
  • Frequent, distant modulations (e.g., F#m7-B7-Emaj7) and parallel minor/diminished tonalities, moving far from the Ab tonic.
  • Strategic use of diminished chords (Ab07, A07, G07) to build tension and provide chromatic connectivity.

Improvisation Focus: Navigating intricate chord changes with an emphasis on chromatic alterations and voice leading.

Difficulty Rating: 5 (Advanced). Requires deep understanding of advanced harmonic substitutions, distant modulations, and navigating complex chromaticism.