Eb maj7
The Eb maj7 chord consists of the Eb (Perfect unison), G (Major third), Bb (Perfect fifth) and D (Major seventh) notes.

How to play the Eb maj7 chord
- Find Eb (Root) on the piano keyboard
- Add G (Major third) — 4 semitones above Eb
- Add Bb (Perfect fifth) — 7 semitones above Eb
- Add D (Major seventh) — 11 semitones above Eb
- Press all 4 notes simultaneously to sound the Eb maj7 chord