Chord Distribution Analysis

Chord SymbolCountFrequency
Gm7712.7%
C7610.9%
Dm759.1%
G759.1%
Fmaj747.3%
Ebm747.3%
Ab747.3%
Fm723.6%

Key Patterns Detected

PatternFunctionFrequency
Gm7 -> C7Setup (Major Key)6
Dm7 -> G7Setup (Major Key)5
Ebm7 -> Ab7Setup (Major Key)4
C7 -> Fmaj7Resolution (Major)3
G7 -> Dm7Resolution (Minor)3
Fm7 -> Bb7Setup (Major Key)2
Bb7 -> Ebmaj7Resolution (Major)2
Ab7 -> Ebm7Resolution (Minor)2
Ab7 -> Dbmaj7Resolution (Major)2
G7 -> Cmaj7Resolution (Major)1
Am7 -> D7Setup (Major Key)1
C7 -> Gm7Resolution (Minor)1
Cm7 -> F7Setup (Major Key)1
F7 -> Bbmaj7Resolution (Major)1
Bbm6 -> Eb7Setup (Major Key)1

Harmonic Highlights

  • Employs rapid sequential modulations, descending by whole steps from F major to Eb major and then Db major through complete ii-V-I cycles.
  • Utilizes modal interchange by shifting from the tonic F major to the parallel minor (Fm7) to pivot into the subdominant key area.
  • Features a sophisticated bridge and turnaround structure using secondary dominants like G7 (V/V) to create momentum back to the primary ii-V.

Improvisation Focus Sequential transposition of melodic motifs through rapidly changing tonal centers (F, Eb, and Db).

Difficulty Rating 3/5. The constant modulation through keys separated by whole steps requires fast mental pivoting and fluent transposition of standard ii-V vocabulary.


๐Ÿ“š Standard Available in:

The Real Book - Volume III
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