How? Who? How much? Record "stars" with specific text

Question

Audio

Music site.
I want to start playing some tracks with a recording of stars, for example: Rihanna / Eminem
Hello. I am Rihanna. You are listening the my music on site dot
com Thank you

Answer 1

as a joke, I propose to write imitators imitating voices))

Answer 2

A budget option is to look for just similar voices with good English (so that without an accent).
A non-budget option is to contact Riana or her producer. Get ready then that there will be a big contract, a large amount, well, the right line (not in Russian somehow it is, yes).