A#9b5 chord on piano
A Sharp Dominant Ninth Flat Five, also written Bb9b5. Notes: A#, D, E, G# and C.
How to play A#9b5
- Find A# just below middle C. That is the root.
- Add D, 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 9b5 is a dominant ninth with a lowered fifth, a jazz chord with a lot of tension. The formula is 1 3 b5 b7 9. Strictly by music theory the notes are spelled A#, C##, E, G# and B#; C## is the same key as D and B# is the same key as C.
More A# chords
All A# piano chordsdominant ninth flat five chords in every key
Questions
What notes are in the A#9b5 chord?
A#9b5 (A sharp dominant ninth flat five) is made of five notes: A# (root), D (major third), E (diminished fifth), G# (minor seventh) and C (ninth).
How do you play A#9b5 on piano?
Play A#, D, 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 ninth flat five chord sound like?
The 9b5 is a dominant ninth with a lowered fifth, a jazz chord with a lot of tension.