Chord Distribution Analysis

Chord SymbolCountFrequency
Gm7827.6%
Am7b5724.1%
D7b9724.1%
C7sus724.1%

Key Patterns Detected

PatternFunctionFrequency
Am7b5 -> D7b9Setup (Minor Key)7
D7b9 -> Gm7Resolution (Minor)6

Harmonic Highlights

  • Frequent iiรธ7โ€“V7(b9)โ€“i cadences in G minor define the A sections, establishing a strong functional minor tonality common in hard bop.
  • The extended C7sus section (IV7) provides a significant modal shift, offering a static harmonic plateau that contrasts with the dense, rapid turnarounds.
  • Voice leading relies heavily on the b9 (Eb) of the D7 chord resolving to the root or fifth of the Gm7 tonic, creating classic tension and release.

Improvisation Focus G Harmonic Minor, specifically targeting the F# leading tone to resolve the V7alt chords.

Difficulty Rating 3/5; while the minor i-ii-V changes are standard, the transition from functional harmony to the static C7sus bridge at typical bebop tempos requires rhythmic and melodic agility.


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The Real Book - Volume II
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