🎵 Known as the 'Hendrix chord', it has a powerful, bluesy, and slightly unstable sound due to the sharp 9th clashing with the major 3rd (creating a minor 3rd interval relative to the 3rd). Use it in blues, rock, and funk to add grit, expressive tension, and a cool, dissonant edge to a dominant chord.
Also abbreviated as: 7#9
With all 5 notes and C
as bass, it is also: C7#9
Contains intervals: 1P
3M
5P
7m
9A
Popular songs which use this chord type: Purple Haze (Jimi Hendrix), Nutbush City Limits (Tina Turner), Superstition (Stevie Wonder - implied)