A7#9 chord on piano
A Dominant Seventh Sharp Nine. Notes: A, C#, E, G and C.
How to play A7#9
- Find A just below middle C. That is the root.
- Add C#, E, G and C above it, skipping the keys in between.
- 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
Notes and theory
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 A, C#, E, G and B#; B# is the same key as C.
More A chords
All A piano chordsdominant seventh sharp nine chords in every key
Questions
What notes are in the A7#9 chord?
A7#9 (A dominant seventh sharp nine) is made of five notes: A (root), C# (major third), E (perfect fifth), G (minor seventh) and C (sharp ninth).
How do you play A7#9 on piano?
Play A, C#, E, G and C 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.