A#7b9 chord on piano
A Sharp Dominant Seventh Flat Nine, also written Bb7b9. Notes: A#, D, F, G# and B.
How to play A#7b9
- Find A# just below middle C. That is the root.
- Add D, 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 7b9 chord adds a flat ninth to a dominant seventh. It pulls strongly to a minor chord and is common in jazz and flamenco. The formula is 1 3 5 b7 b9. Strictly by music theory the notes are spelled A#, C##, E#, G# and B; C## is the same key as D and E# is the same key as F.
More A# chords
All A# piano chordsdominant seventh flat nine chords in every key
Questions
What notes are in the A#7b9 chord?
A#7b9 (A sharp dominant seventh flat nine) is made of five notes: A# (root), D (major third), F (perfect fifth), G# (minor seventh) and B (flat ninth).
How do you play A#7b9 on piano?
Play A#, D, 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 dominant seventh flat nine chord sound like?
The 7b9 chord adds a flat ninth to a dominant seventh. It pulls strongly to a minor chord and is common in jazz and flamenco.