Get the Whole Store Bundle - All Products & Future Releases for Life!

7#9 Chord on Guitar - P4 Tuning

4-Voices on Fretboard in P4 Tuning:

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


There are over 70 voicings for the 7#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 7#9 chord contains a major third, perfect fifth, minor seventh, and a augmented ninth.

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


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


The 7#9 chord has a dissonance rating of 113*

*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.)

What would you do with a library of Guitar Chord Progressions?

Chord Book Online
Let's find out...
Browse Progressions »
Payment Methods Accepted