Construction
A♯ 7♯9 = Root + Major 3rd + Perfect 5th + Minor 7th + Minor 3rd = A♯, C♯♯, E♯, G♯, B♯♯
| Note | Interval | Degree |
|---|---|---|
| A♯ | Root | 1 |
| C♯♯ | Major 3rd | 3 |
| E♯ | Perfect 5th | 5 |
| G♯ | Minor 7th | ♭7 |
| B♯♯ | Minor 3rd | ♭3 |
How to Play the A♯ 7♯9
Right Hand (RH)
Place your right hand over the keys with the thumb on the root. Use the fingering: 1 – 2 – 3 – 4 – 5
Left Hand (LH)
For the left hand, start with your pinky on the root. Use the fingering: 5 – 4 – 3 – 2 – 1
A♯ 7♯9 : Frequently Asked Questions
What is the A♯ 7♯9 chord on piano?
The A♯ 7♯9 chord contains the notes A♯ – C♯♯ – E♯ – G♯ – B♯♯. On piano, play these notes together to sound the chord.
What notes are in the A# 7♯9 chord?
The A# 7♯9 chord (A#7♯9) contains 5 notes: A#, D, F, G#, C#. Formula: R-M3-P5-m7-A9.
How is A#7♯9 used in music?
A#7♯9 is used in jazz, fusion, and contemporary music to add harmonic color. It appears as a dominant or tonic chord depending on context.
What is the scale degree formula for A#7♯9?
A#7♯9 uses scale degrees 1-3-5-b7-#9, giving it its distinctive sound.