Chord Distribution Analysis

Chord SymbolCountFrequency
Fm6517.2%
Gm7b5413.8%
C7b9413.8%
F#m626.9%
F7b926.9%
Bbm726.9%
Dbmaj713.4%
Em713.4%

Key Patterns Detected

PatternFunctionFrequency
Gm7b5 -> C7b9Setup (Minor Key)4
F7b9 -> Bbm7Resolution (Minor)2
C7b9 -> Fm6Resolution (Minor)2
Em7 -> A7Setup (Major Key)1
A7 -> Dmaj7Resolution (Major)1
Fm7 -> Bb7Setup (Major Key)1
Bb7 -> Ebmaj7Resolution (Major)1
F#m7 -> B7Setup (Major Key)1
B7 -> Emaj7Resolution (Major)1

  • Non-functional chromatic ascent from Fm6 to F#m6, creating immediate harmonic tension.
  • Frequent and rapid modulations through a series of ascending ii-V-I progressions, notably to Db, D, Eb, and E major.
  • Extensive use of altered dominant chords (e.g., F7b9, C7b9) to facilitate smooth, albeit complex, voice leading into new key centers.
  • The blend of initial minor tonality (Fm6) with subsequent major ii-V-I sequences creates a sophisticated, ambiguous harmonic landscape.

Improvisation Focus: Navigating rapidly shifting ii-V-I progressions with appropriate chord-scales and altered dominant substitutions.

Difficulty Rating: 5 (Advanced) - The quick modulations, complex chord voicings, and numerous altered dominants demand highly developed harmonic fluency.