Chord Distribution Analysis

Chord SymbolCountFrequency
Fm7812.9%
Gm7812.9%
Bb769.7%
Abmaj746.5%
C746.5%
Bbm746.5%
Eb746.5%
Abm734.8%

Key Patterns Detected

PatternFunctionFrequency
Fm7 -> Bb7Setup (Major Key)6
Bbm7 -> Eb7Setup (Major Key)4
Gm7 -> C7Setup (Major Key)3
C7 -> Fm7Resolution (Minor)3
Abm7 -> Db7Setup (Major Key)3
Eb7 -> Abm7Resolution (Minor)2
Eb7 -> Abmaj7Resolution (Major)2
Bb7 -> Ebmaj7Resolution (Major)1

Harmonic Highlights:

  • Employs frequent secondary dominants (e.g., C7 to Fm7) and their tritone substitutions, often leading to temporary key changes.
  • Features abrupt, distant modulations, notably the progression from Eb’s iii (Gm7) to Gb7-Bmaj7-Emaj7#11.
  • Includes sequential ii-V progressions descending chromatically (Bbm7-Eb7 and Abm7-Db7), creating strong harmonic motion.
  • Utilizes advanced voicings and alterations like Emaj7#11 and passing diminished chords (Gb07).

Improvisation Focus: Chord tone targeting over transient modulations.

Difficulty Rating: 4 (Advanced Intermediate) - Its extensive use of distant modulations and chromatic substitutions demands precise harmonic navigation.