C minor/D
The C minor chord consists of the C (Perfect unison), D# (Minor third) and G (Perfect fifth) notes, with D as the bass note.

How to play the C minor/D chord
- Play D as the lowest bass note in the left hand
- Find C (Root) on the piano keyboard
- Add D# (Minor third) — 3 semitones above C
- Add G (Perfect fifth) — 7 semitones above C
- Press all 4 notes simultaneously to sound the C minor/D chord