E Dominant 7th Sharp 9
The Hendrix Chord — 'Purple Haze' (1967)
E7#9 · Root
Every chord tone stacked from the root up.
Click keys to experiment with the chord
E – G♯ – B – D – F𝄪
1 – 3 – 5 – b7 – #9
The sharp ninth adds blues-inflected tension to a dominant seventh, often heard on a tonicized V chord. It fits the altered scale or the half-whole diminished scale; the 3rd and b7 resolve by fifth-root motion.