Piano chord
A Sus4 Chord
Asus4 is a sus4 chord built on A. It contains the notes A – D – E.
Asus4
Also written: Asus
- A
- D
- E
Notes in Asus4
Count up from A using the intervals below. The formula shows each note relative to the A major scale.
| Notes | Intervals | Formula | Semitones |
|---|---|---|---|
| A | Root | 1 | 0 |
| D | Perfect 4th | 4 | 5 |
| E | Perfect 5th | 5 | 7 |
How to play Asus4 on piano
- Right hand: fingers 1–3–5 (thumb on A).
- Left hand: fingers 5–3–1 (little finger on the lowest note).
- Press the keys together, then try playing them one at a time as an arpeggio.
Asus4 inversions
An inversion puts a different note of Asus4 at the bottom. The notes stay the same, the colour and voice leading change.
Root position
Asus4A – D – E
1st inversion
Asus4/DD – E – A
2nd inversion
Asus4/EE – A – D
About sus4 chords
The 4th replaces the 3rd, creating anticipation — the chord leans forward, wanting to fall back to the major.
Sound: Tense & anticipating
Songs that use it
- Pinball Wizard · The WhoRock
- The Boxer · Simon & GarfunkelFolk
- More Than a Feeling · BostonRock
Keys that contain Asus4
Asus4 is built only from notes of these keys. The Roman numeral shows its role in each key.
Hear Asus4 with different sounds and compare it with other chords in the interactive builder.
Open in the chord builderPractising on an acoustic piano that sounds off?
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