Chord Distribution Analysis

Chord SymbolCountFrequency
Cm7866.7%
Fm7216.7%
Ab718.3%
G7b1318.3%

Key Patterns Detected

PatternFunctionFrequency
G7b13 -> Cm7Resolution (Minor)1

Harmonic Highlights

  • The progression follows a classic 12-bar minor blues structure, utilizing a static i-m7 (Cm7) for the first four measures to establish the key center.
  • A shift to the iv-m7 (Fm7) in bars 5-6 provides a standard subdominant departure before returning to the tonic.
  • The climax features a bVI7 (Ab7) to V7b13 (G7) turnaround in bars 9-10, creating a sophisticated chromatic descent to the tonic rather than a traditional ii-V.

Improvisation Focus The C Minor Blues Scale serves as the essential melodic foundation for navigating the track’s hard-bop language.

Difficulty Rating 2/5. The harmonic structure is straightforward for intermediate players, though the extreme tempo of the original recording requires advanced technical facility.


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The Real Book - Volume I
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