its called a trio
a tritet
A trio.
3 people singing together would be a trio.
A singing group of three is called a "trio."
A Duet
Trio
A duet Is what two people singing together is called.
A duet Is what two people singing together is called.
Quartet.
A quartet
That is called a trio.
A solo is one person playing/singing ect. An ensemble is a group of many persons playing/singing together.