An octet.
A pod
Many possibilities: Band Orchestra Combo
A group of five musicians is known as a "quintet."
A duet
A Duet
Five musicians would be a quintet
You would call a group of performers something different based on what they are performing, and how many of them there are. For example, a group of performers in a certain type of play could be referred to as a troupe, and a group of 5 musicians in a quintet.
A sextet. TEEHEE!
They can be called an ensemble, a choir, or a group.
A band, group, ensemble, orchestra, trio, quartet, quintet, etcA group of musicians are usually called a band or a symphony, but it depends on the instruments and how many musicians there are.
You would call a group of performers something different based on what they are performing, and how many of them there are. For example, a group of performers in a certain type of play could be referred to as a troupe, and a group of 5 musicians in a quintet.