Chord Distribution Analysis

Chord SymbolCountFrequency
Bbm7824.2%
Gbmaj7824.2%
F7#926.1%
Ebm726.1%
F7b926.1%
Gm7b526.1%
Ab13.0%
C7sus13.0%

Key Patterns Detected

PatternFunctionFrequency
Gm7b5 -> C7susSetup (Minor Key)1

Harmonic Highlights

  • The progression centers on a i–VI oscillation (Bbm7 to Gbmaj7), establishing a modern Aeolian modal framework that emphasizes the b6 degree.
  • A bVII–i (Ab to Bbm7) subtonic cadence provides a non-functional, “open” resolution, characteristic of Metheny’s contemporary jazz language.
  • The movement from iv (Ebm7) to the altered dominant (F7#9/b9) introduces functional V-i tension, requiring a shift from modal playing to melodic minor applications.

Improvisation Focus Bb Aeolian for the main groove, transitioning to Bb Altered (F Super Locrian) over the F7 chords to navigate the dominant tension.

Difficulty Rating 4 (Advanced) because the high-speed rhythmic intensity typical of this composition demands extreme technical precision while navigating the shifts between modal vamps and functional altered turnarounds.


📚 Standard Available in:

The Real Book - Volume II
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