Chord Distribution Analysis

Chord SymbolCountFrequency
Dbmaj7#111429.8%
Cm7817.0%
Ebmaj7#1124.3%
Emaj7#1124.3%
Dmaj7#1124.3%
Gbmaj724.3%
F13b924.3%
Bbm/maj724.3%

Key Patterns Detected

PatternFunctionFrequency
Gm7b5 -> C7#9Setup (Minor Key)1
C7#9 -> Fmaj7Resolution (Major)1
G7b9 -> Cm7Resolution (Minor)1

Harmonic Highlights:

  • The piece quickly establishes F minor (Cm7 as iv), then embarks on a non-functional sequence of ascending and descending major 7#11 chords (Dbmaj7#11, Ebmaj7#11, Emaj7#11, Dmaj7#11), creating sophisticated chromatic color.
  • Extensive deployment of major 7#11 chords suggests a consistent Lydian quality across various tonal centers, moving away from conventional functional harmony.
  • The F13b9 functions as a V/Bbm, leading to a poignant Bbm/maj7 (iv in F minor with a unique tonic quality), subsequently followed by a Gm7b5 initiating a ii-V movement.

Improvisation Focus: Navigating the sequential chromatic major 7#11 chord changes using Lydian modes.

Difficulty Rating: 5 (Advanced) - The pervasive non-functional chromaticism and advanced chord voicings require a high level of harmonic sophistication and improvisational technique.