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Asus4 chord (A suspended fourth) on piano

Asus4 (A suspended fourth) has three notes: A, D and E. Its formula is 1, 4, 5. In major keys, Asus4 is the Isus4 chord in A major, the IIsus4 in G major, the IIIsus4 in F major, the Vsus4 in D major and the VIsus4 in C major.

Asus4 inversions and fingering

ADE
Root position
A D E · RH 1-3-5 · LH 5-2-1
DEA
First inversion
D E A · RH 1-2-5 · LH 5-3-1
EAD
Second inversion
E A D · RH 1-2-5 · LH 5-2-1

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Asus4 chord facts
SymbolAsus4
Also writtenAsus
NotesA D E
Formula1 4 5
Intervalsroot, perfect fourth, perfect fifth
TypeSuspended fourth chord

Asus4 across the keyboard

C3C4C5D4E5A1D4E5A1

Piano, C3 to C5. Notes in this scale, low to high: D3 (4), E3 (5), A3 (1), D4 (4), E4 (5), A4 (1).

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Questions

What notes are in the Asus4 chord?

Asus4 (A suspended fourth) has three notes: A, D and E. Its formula is 1, 4, 5. A is the root, D is the perfect fourth and E is the perfect fifth.

How do you play Asus4 on piano?

Play A, D and E together. Root position: A D E · RH 1-3-5 · LH 5-2-1.

What key is Asus4 in?

In major keys, Asus4 is the Isus4 chord in A major, the IIsus4 in G major, the IIIsus4 in F major, the Vsus4 in D major and the VIsus4 in C major. It is diatonic to those keys, so it fits songs in any of them.

What does sus mean in Asus4?

Suspended: the 3rd is replaced by the 4th, D. With no 3rd, Asus4 is neither major nor minor, and it usually resolves to A or Am.