Chord Distribution Analysis

Chord SymbolCountFrequency
C7515.2%
F412.1%
G726.1%
Gm726.1%
Bb26.1%
B0726.1%
F/C26.1%
D726.1%

Key Patterns Detected

PatternFunctionFrequency
Gm7 -> C7Setup (Major Key)2
D7 -> Gm7Resolution (Minor)1
C7 -> Fmaj7Resolution (Major)1
Em7b5 -> A7Setup (Minor Key)1
A7 -> Dm7Resolution (Minor)1
Dm7 -> G7Setup (Major Key)1

Harmonic Highlights

  • Frequent use of secondary dominants, specifically G7 (V7/V) and D7 (V7/ii), creating strong forward-moving “circle of fifths” momentum characteristic of Vaudeville show tunes.
  • The IV - #iv°7 - I/V (Bb - B°7 - F/C) sequence serves as a classic idiomatic transition, providing a chromatic bridge into the final turnaround.
  • A chromatic side-slip via B9 to Bb functions as a tritone substitution or neighbor chord, momentarily destabilizing the tonal center before resolving.
  • The progression utilizes rapid ii-V-I turnarounds and “rhythm changes” influences, demanding quick navigation of functional chord substitutions.

Improvisation Focus F Major Bebop Scale (incorporating chromatic passing tones over secondary dominants).

Difficulty Rating 3/5: The rapid harmonic rhythm and frequent secondary dominants require precise timing and a solid grasp of functional guide-tone leading at a fast tempo.


📚 Standard Available in:

The Real Book - Volume VI
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