Chord Distribution Analysis

Chord SymbolCountFrequency
G7823.5%
D7617.6%
C7514.7%
Fmaj738.8%
A738.8%
F638.8%
Gb725.9%
Gm725.9%

Key Patterns Detected

PatternFunctionFrequency
Gm7 -> C7Setup (Major Key)2
C7 -> Fmaj7Resolution (Major)1
D7 -> Gm7Resolution (Minor)1

Harmonic Highlights

  • The progression features a robust secondary dominant chain (III7 โ€“ VI7 โ€“ II7 โ€“ V7), specifically A7โ€“D7โ€“G7โ€“C7, driving the harmonic motion back to the F tonic.
  • The inclusion of Gb7 functions as a tritone substitution or chromatic neighbor to G7, providing smooth voice leading within the dominant cycle.
  • The sequence utilizes a pivot relationship between F Major and its relative minor (D minor), using the A7 chord to bridge the two tonal centers.

Improvisation Focus Mixolydian scales and chord-tone targeting are essential for navigating the rapid succession of secondary dominant chords.

Difficulty Rating 2/5: While the harmonic rhythm is active, the underlying cycle-of-fifths logic is highly predictable and follows standard jazz vocabulary.


๐Ÿ“š Standard Available in:

The Real Dixieland Book
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