Question

Which opera component is a solo performance?

Answer 1

I would say that the opera component for a solo performance is called ARIA

Step-by-step explanation:

Answer 2

I would say that the opera component for a solo performance is called ARIA.

This is an elaborated song for a solo voice, just one voice. It can be written for the main character focusing on his/her emotions.
The term means "air" in Italian and it is connected to a melody by performed by a singer. It might be accompanied by an orchestra.