A9#5 chord on piano
A Augmented Ninth. Notes: A, C#, F, G and B.
How to play A9#5
- Find A just below middle C. That is the root.
- Add C#, F, G and B 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 augmented ninth (9#5) is a dominant ninth with a raised fifth, used as a strong pull toward the next chord. The formula is 1 3 #5 b7 9, and you will also see it written as Aaug9 and A+9. Strictly by music theory the notes are spelled A, C#, E#, G and B; E# is the same key as F.
More A chords
All A piano chordsaugmented ninth chords in every key
Questions
What notes are in the A9#5 chord?
A9#5 (A augmented ninth) is made of five notes: A (root), C# (major third), F (augmented fifth), G (minor seventh) and B (ninth).
How do you play A9#5 on piano?
Play A, C#, F, G and B 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 augmented ninth chord sound like?
The augmented ninth (9#5) is a dominant ninth with a raised fifth, used as a strong pull toward the next chord.