Δ7#9 Chord on Guitar - P4 Tuning
There are over 70 voicings for the Δ7#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 Δ7#9 chord contains a major third, perfect fifth, major seventh, and a augmented ninth.
The intervallic relationships it contains are: major third, perfect fifth, major seventh, minor tenth, minor third, perfect fifth, major seventh, major third, minor sixth, major third.
- Major Third
- Perfect Fifth
- Major Seventh
- Augmented Ninth
The Δ7#9 chord has a dissonance rating of 115*
*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.)