Chord Distribution Analysis

Chord SymbolCountFrequency
Eb7616.7%
Bb7513.9%
Bbm7411.1%
F738.3%
Ab725.6%
G725.6%
Gb725.6%
Fm725.6%

Key Patterns Detected

PatternFunctionFrequency
Bbm7 -> Eb7Setup (Major Key)4
Fm7 -> Bb7Setup (Major Key)2
Bb7 -> Ebmaj7Resolution (Major)2
C7 -> Fm7Resolution (Minor)1
Ebmaj7 -> Bb7Setup (Major Key)1
Eb7 -> Bbm7Resolution (Minor)1
F7 -> Bbm7Resolution (Minor)1

Harmonic Highlights

  • Features a chromatic minor line clichΓ© (Fm – Fm/maj7 – Fm7 – Dm7b5) providing internal voice-leading movement over the stable tonic minor.
  • Incorporates a descending dominant cycle (G7 – Gb7 – F7 – Bb7) utilizing tritone substitutions to create chromatic tension toward the subdominant.
  • Uses a classic bVI7 to V7 (Db7 to C7) turnaround, providing a strong functional resolution back to the F minor center.

Improvisation Focus F Melodic Minor, specifically targeting the shifting inner voices (E natural, Eb, D natural) to outline the tonic minor expansions.

Difficulty Rating 3 (Intermediate): The progression requires navigating rapid secondary dominants and maintaining harmonic clarity through complex minor-key voice leading.


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The Real Book - Volume I
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