duet

kaksikko

duetto

kaksintanssi

duo puhekieltä A musical composition in two parts, each performed by a single voice (singer, instrument or univoce ensemble).
puhekieltä A song composed for and/or performed by a duo.
A pair or couple, especially one that is harmonious or elegant.
2005, James Henderson, Caribbean and the Bahamas

The fare is Caribbean with an Asian touch — millefeuille of sun-dried tomato, Paris mushrooms and chargrilled local asparagus followed by a duet of chicken and shrimp...

When you can spare time from duetting, coquetting, and claretting with your Hibernians of both sexes, let me have a line from you.

He was about as accordantly coupled with Dr. Middleton in discourse as a drum duetting with a bass-viol (..)

‘Ti-yi-yi-yime is on my side, yes it is,’ I used to yodel, duetting with Mick Jagger as I gyrated alone in my student room.

Duetting species are typically monogamous.

In several dozen species of birds there has been found a phenomenon known as duetting, or antiphonal singing: the first part of a song is executed by one partner of a pair, then the other partner very promptly chimes in to sing the second part.

Peena and Queena are duetting a giggle-for-giggle (..)

After the Lord's Prayer the Missionaries duetted a hymn while the children stared at me.

“My dear papa!” duetted the girls; but there was something in the husband and father's face, that told the three ladies it would be worse than useless to raise that question at present.

“A bear!” exclaimed the Major, jumping up and coming forward.

“A bear!” dueted the Doctor and Right Rev., pressing hastily to the front.