G# sus2/D#
The G# sus2 chord consists of the G# (Perfect unison), A# (Major second) and D# (Perfect fifth) notes, with D# as the bass note.

How to play the G# sus2/D# chord
- Play D# as the lowest bass note in the left hand
- Find G# (Root) on the piano keyboard
- Add A# (Major second) — 2 semitones above G#
- Add D# (Perfect fifth) — 7 semitones above G#
- Press all 4 notes simultaneously to sound the G# sus2/D# chord