A#7b9#5 chord on piano
A Sharp Dominant Seventh Flat Nine Sharp Five, also written Bb7b9#5. Notes: A#, D, F#, G# and B.
How to play A#7b9#5
- 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#5 is an altered dominant with a raised fifth and lowered ninth, a strong jazz tension chord. 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 sharp five chords in every key
Questions
What notes are in the A#7b9#5 chord?
A#7b9#5 (A sharp dominant seventh flat nine sharp five) is made of five notes: A# (root), D (major third), F# (augmented fifth), G# (minor seventh) and B (flat ninth).
How do you play A#7b9#5 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 sharp five chord sound like?
The 7b9#5 is an altered dominant with a raised fifth and lowered ninth, a strong jazz tension chord.