Chord Distribution Analysis

Chord SymbolCountFrequency
C7616.7%
Gm7513.9%
Fmaj7411.1%
Dm738.3%
F725.6%
Bb625.6%
Eb725.6%
Am725.6%

Key Patterns Detected

PatternFunctionFrequency
Gm7 -> C7Setup (Major Key)5
C7 -> Fmaj7Resolution (Major)3
Am7 -> D7b13Setup (Major Key)2
D7b13 -> Gm7Resolution (Minor)2
C7 -> Fm7Resolution (Minor)1
Fm7 -> Bb7Setup (Major Key)1
G7b9 -> Cmaj7Resolution (Major)1
Dm7b5 -> G7Setup (Minor Key)1

Harmonic Highlights

  • Utilization of standard I-vi-ii-V turnarounds in F Major to establish a strong, functional tonal foundation.
  • Inclusion of the “backdoor” bVII7 (Eb7) following the IV chord (Bb6), providing a smooth chromatic transition back to the iii-VI-ii-V cycle.
  • A brief modulation to the dominant (C Major) via a ii-V-I sequence (Dm7b5-G7-Cmaj7), offering harmonic contrast before returning to the home key.
  • Application of tritone substitution (Db7 to C7) acting as a subV/V to heighten tension before the final resolution.

Improvisation Focus

Targeting Guide Tones (3rds and 7ths) to clearly outline the frequent ii-V-I cycles and secondary dominant movements.

Difficulty Rating

2/5. The progression relies on predictable functional harmony and clear resolutions, making it an ideal study for intermediate players learning to navigate secondary dominants and brief modulations.


πŸ“š Standard Available in:

The Real Book - Volume III
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