E m7
The E m7 chord consists of the E (Perfect unison), G (Minor third), B (Perfect fifth) and D (Minor seventh) notes.

How to play the E m7 chord
- Find E (Root) on the piano keyboard
- Add G (Minor third) — 3 semitones above E
- Add B (Perfect fifth) — 7 semitones above E
- Add D (Minor seventh) — 10 semitones above E
- Press all 4 notes simultaneously to sound the E m7 chord