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Asus4 Chord: Guitar, Piano and Notes

The Asus4 chord is a suspended fourth chord built on the root note A. Its notes are A, D and E.

Suspended fourth chords feel tense and expectant. The fourth wants to resolve down to the third, which makes sus4 a classic tool for building energy right before a major or minor chord.

Root
Quality

Asus4 on piano

View:
Piano diagram of the Asus4 chord

Switch to the interactive diagram to hear the chord, change voicing and swap finger numbers for note names.

To play Asus4 on piano, place your right-hand thumb on A, middle finger on D, and little finger on E. Press the keys together and listen for an even sound. Practice moving in and out of the chord slowly, then bring in a metronome.

Asus4 on guitar

View:
Guitar chord diagram of the Asus4 chord

Switch to the interactive diagram to hear the chord, change voicing and swap finger numbers for note names.

On guitar, Asus4 is commonly played with the voicing shown above. Strum only the strings marked as active in the diagram.

Play the chord

Asus4
A · D · E

Asus4 chord notes

Formula: 1 · 4 · 5Notes: A · D · E
DegreeIntervalSemitonesNote
1Root0A
4Perfect fourth5D
5Perfect fifth7E

How to use the Asus4 chord

The Asus4 chord is built from a root, a perfect fourth and a perfect fifth. Start at the root A and stack the intervals to get the whole chord: A, D and E. The same formula gives you the chord in any other key.

Suspended fourth chords appear in rock riffs, worship music and folk. They usually sit right before the corresponding major chord, creating a strong pull into the downbeat.

Common progressions

The Asus4 chord works beautifully in these progressions. Click a chord name to jump to its page.

Pop progression
I → V → vi → IV
Classic I-IV-V
I → IV → V → I
50s progression
I → vi → IV → V

Once Asus4 feels comfortable, the chords below open up new progressions. Each one shares notes, keys or a harmonic function with it, which is what makes it the natural place to go next.

Frequently asked questions

What notes are in the Asus4 chord?
The Asus4 chord contains A, D and E.
Is the Asus4 chord major or minor?
Asus4 is a suspended fourth chord. Suspended fourth chords feel tense and expectant. The fourth wants to resolve down to the third, which makes sus4 a classic tool for building energy right before a major or minor chord.
How do you play Asus4 on piano?
Place your fingers on A, D and E and play them together. The root usually goes to the little finger of the left hand, the upper notes to the right.
How do you play Asus4 on guitar?
Asus4 is typically played with the fingering shown in the diagram above. If one of the chord tones lines up with an open string, an open position is worth trying too.
What chords work well with Asus4?
Asus4 pairs naturally with the chords in the related section: a perfect fifth up or down, the relative major or minor, and anything sharing two notes with it.

Keep exploring

Deepen your understanding of the Asus4 chord with our other music theory tools.