Chord Distribution Analysis

Chord SymbolCountFrequency
G7714.3%
Gm7612.2%
D7b9612.2%
C7b948.2%
F748.2%
Bb648.2%
Bbm648.2%
Am7b548.2%

Key Patterns Detected

PatternFunctionFrequency
Gm7 -> C7b9Setup (Major Key)4
Am7b5 -> D7b9Setup (Minor Key)4
Am7 -> D7b9Setup (Major Key)2
Gm7 -> C7Setup (Major Key)2
G7 -> Dm7Resolution (Minor)1
Dm7 -> G7Setup (Major Key)1

Harmonic Highlights

  • Extensive use of secondary dominants, particularly the V/V (G7) resolving to ii (Gm7), facilitating a continuous cycle of fourths within F major.
  • Integration of modal interchange via the IV-iv-I progression (Bb6 - Bbm6 - F6), adding chromaticism through the Db (the b6 of the key).
  • Sophisticated turnaround patterns employing minor ii-V-I sequences (Am7b5 - D7b9 - Gm7) to create tension and release towards the tonic.

Improvisation Focus F Major Bebop scale.

Difficulty Rating 3/5 — While the harmonic structure is straightforward, the extremely slow tempo requires exceptional rhythmic discipline and “behind-the-beat” phrasing mastery.