D#7#9 chord on piano

D Sharp Dominant Seventh Sharp Nine, also written Eb7#9. Notes: D#, G, A#, C# and F#.

D#7#9 piano chord, root positionC4GC5D#A#C#F#
Root position. Tap any key to hear it.

How to play D#7#9

  1. Find D# at or above middle C. That is the root.
  2. Add G, A#, C# and F# above it, skipping the keys in between.
  3. Right hand fingering: 1-2-3-4-5, or split the chord between both hands. Left hand: play the root and fifth, and leave the upper notes to the right hand.

Notes

D#root
G3 · major third
A#5 · perfect fifth
C#b7 · minor seventh
F##9 · sharp ninth

Notes and theory

D#root
G3 · major third
A#5 · perfect fifth
C#b7 · minor seventh
F##9 · sharp ninth

The 7#9 has both a major third and a sharp ninth (which sounds like a minor third). It is famous as the Hendrix chord from Purple Haze. The formula is 1 3 5 b7 #9. Strictly by music theory the notes are spelled D#, F##, A#, C# and E##; F## is the same key as G and E## is the same key as F#.

More D# chords

All D# piano chords

dominant seventh sharp nine chords in every key

Questions

What notes are in the D#7#9 chord?

D#7#9 (D sharp dominant seventh sharp nine) is made of five notes: D# (root), G (major third), A# (perfect fifth), C# (minor seventh) and F# (sharp ninth).

How do you play D#7#9 on piano?

Play D#, G, A#, C# and F# together. With the right hand use fingers 1-2-3-4-5, or split the chord between both hands; with the left hand use play the root and fifth, and leave the upper notes to the right hand.

What does a dominant seventh sharp nine chord sound like?

The 7#9 has both a major third and a sharp ninth (which sounds like a minor third). It is famous as the Hendrix chord from Purple Haze.