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7b9#9+ Chord on Guitar - P4 Tuning

4-Voices on Fretboard in P4 Tuning:

Image of 7b9#9+ Chord on the Guitar in P4 tuning.


There are over 84 voicings for the 7b9#9+ chord on guitar and the image above shows only 3 of them. For more voicings see: Fretboard Chord Charts for Guitar in P4 tuning

The 7b9#9+ chord contains a major third, augmented fifth, minor seventh, minor ninth, and a augmented ninth.

The intervallic relationships it contains are: major third, minor sixth, minor seventh, minor ninth, minor tenth, major third, diminished fifth, major sixth, major seventh, major second, perfect fourth, perfect fifth, minor third, perfect fourth, major second.


  • Root
  • Major Third
  • Augmented Fifth
  • Minor Seventh
  • Minor Ninth
  • Augmented Ninth


The 7b9#9+ chord has a dissonance rating of 184*

*Dissonance is very subjective. So, as a general guideline, this number is mathematically derived by measuring the intervallic dissonance this chord contains. (The higher the number the more dissonant the chord.)

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