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9#11 Chord on Guitar - P4 Tuning

4-Voices on Fretboard in P4 Tuning:

Image of 9#11 Chord on the Guitar in P4 tuning.


There are over 84 voicings for the 9#11 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 9#11 chord contains a major third, perfect fifth, minor seventh, major ninth, and a augmented eleventh.

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


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


The 9#11 chord has a dissonance rating of 171*

*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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