Does anyone know the name of the AI that makes singers sing songs from other singers?

I have already seen very bad results on youtube where the voice of the singer is very different from the original, but this one is below is awesome:


[https://www.youtube.com/watch?v=OWBhkQEXFl8](https://www.youtube.com/watch?v=OWBhkQEXFl8)


Does anyone know the name of this AI and how to make the voice sounds perfect like that?

artificial singer singers songs voice youtube