Chord Distribution Analysis

Chord SymbolCountFrequency
Fm7922.0%
F7512.2%
Cm749.8%
Bb737.3%
Bb7#524.9%
Ebmaj724.9%
Gm724.9%
C7b924.9%

Key Patterns Detected

PatternFunctionFrequency
Cm7 -> F7Setup (Major Key)4
Fm7 -> Bb7#5Setup (Major Key)2
Bb7#5 -> Ebmaj7Resolution (Major)2
Gm7 -> C7b9Setup (Major Key)2
C7b9 -> Fm7Resolution (Minor)2
Fm7 -> Bb7Setup (Major Key)2
Bbm7 -> Eb7Setup (Major Key)2
Eb7 -> Bbm7Resolution (Minor)1
F7 -> Cm7Resolution (Minor)1
Fm7 -> C7#5#9Setup (Major Key)1
Bb7 -> Fm7Resolution (Minor)1

Harmonic Highlights:

  • The initial Fm7, Bb7#5, Ebmaj7 sequence presents a colorful altered dominant (Bb7#5) leading to the bVIImaj7, adding a distinct modal flavor or fleeting modulation before resolution.
  • Clear ii-V-i progressions in F minor (Gm7, C7b9, Fm7) are juxtaposed with definitive modulations to the relative major, Ab Major (Bbm7, Eb7, Ab6), providing harmonic contrast.
  • Frequent use of highly altered dominant chords, such as Bb7#5, Db7#11, and Eb7b9#5, introduces rich chromaticism and tension-release dynamics throughout the progression.

Improvisation Focus: Altered Scale (Super Locrian).

Difficulty Rating: 5 (Advanced). The frequent use of altered dominants, tritone substitutions, and temporary modulations demands sophisticated harmonic understanding and rapid scale/arpeggio recall.