How do you say "A Opera Singer Sings Opera"?

Question

How do you say "A Opera Singer Sings Opera" in Spanish'

Answer 1

un/una cantante de ópera canta ópera. But why would you want to say this when it is obvious'

Answer 2

I needed to answer the question "Who sings opera'" in a complete sentence.
Do you know how to say "The actor acts"'

Answer 3

el/la artista hace el papel