duet

noun
UK /djuˈet/
US /duˈet/

A song or piece of music that two people sing or play together.

The two sisters sang a duet at the school concert.


OTHER MEANINGS

2. A performance by two people, such as dancers or actors, working together.

The dancers performed a graceful duet on stage.

3. Two people or things that go well together or work as a pair.

The chef and the gardener made a perfect duet of fresh food and flowers.

4. A piece of music written for two voices or two instruments.

The piano duet requires both players to sit at one keyboard.