D aug
The D aug chord consists of the D (Perfect unison), F# (Major third) and A# (Minor sixth) notes.

How to play the D aug chord
- Find D (Root) on the piano keyboard
- Add F# (Major third) — 4 semitones above D
- Add A# (Minor sixth) — 8 semitones above D
- Press all 3 notes simultaneously to sound the D aug chord