Construction
A♯ 9♯5 = Root + Major 2nd + Major 3rd + Minor 6th + Minor 7th = A♯, B♯, C♯♯, E♯♯, G♯
| Note | Interval | Degree |
|---|---|---|
| A♯ | Root | 1 |
| B♯ | Major 2nd | 9 |
| C♯♯ | Major 3rd | 3 |
| E♯♯ | Minor 6th | ♯5 |
| G♯ | Minor 7th | ♭7 |
How to Play the A♯ 9♯5
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
Same Notes, Other Names
The notes A♯ – C♯♯ – E♯♯ – G♯ – B♯ aren’t exclusive to this chord. Depending on which note is the bass and how the chord functions, the same pitches also spell:
A♯ 9♯5 : Frequently Asked Questions
What is the A♯ 9♯5 chord on piano?
The A♯ 9♯5 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# 9♯5 chord?
The A# 9♯5 chord (A#9♯5) contains 5 notes: A#, D, F#, G#, C. Formula: R-M3-A5-m7-M9.
How is A#9♯5 used in music?
A#9♯5 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#9♯5?
A#9♯5 uses scale degrees 1-3-#5-b7-9, giving it its distinctive sound.