E maj7/D
The E maj7 chord consists of the E (Perfect unison), G# (Major third), B (Perfect fifth) and D# (Major seventh) notes, with D as the bass note.

How to play the E maj7/D chord
- Play D as the lowest bass note in the left hand
- Find E (Root) on the piano keyboard
- Add G# (Major third) — 4 semitones above E
- Add B (Perfect fifth) — 7 semitones above E
- Add D# (Major seventh) — 11 semitones above E
- Press all 5 notes simultaneously to sound the E maj7/D chord