A add2/E
The A add2 chord consists of the A (Perfect unison), B (Major second), C# (Major third) and E (Perfect fifth) notes, with E as the bass note.

How to play the A add2/E chord
- Play E as the lowest bass note in the left hand
- Find A (Root) on the piano keyboard
- Add B (Major second) — 2 semitones above A
- Add C# (Major third) — 4 semitones above A
- Add E (Perfect fifth) — 7 semitones above A
- Press all 5 notes simultaneously to sound the A add2/E chord