Chord · Triads

Asus2 — A Suspended 2nd

Asus2 is the A suspended 2nd chord. It is built on the root A with major 2nd (B) and perfect 5th (E) above it — the formula 1 2 5, sounding the notes A B E. On the piano it sits at A (octave 3) and above in the library's voicing; the same 3 notes in any octave are still Asus2.

Root
A
Quality
Suspended 2nd
Formula
1 2 5
Notes
A B E

On the keyboard

Asus2 on the piano keyboard: A B E125ABE

Right-hand fingering for this voicing: 1–2–5 (1 is the thumb).

The notes of Asus2

DegreeNoteInterval from the rootPitch
1ArootA3
2Bmajor 2ndB3
5Eperfect 5thE4

Other triads on A

Suspended 2nd chords on every root

Part of the chord reference. See also the scales and the keys.