Its evil, work of the devil, bad influence, bad culture... its all crap.
I know plenty of people at BYU who are into Rap/Hip-Hop. I am one of them. I do not keep up with the current trends in those genres, but I like me some Lil Wayne and Drake
If you don't think they'll make it at BYU you have some hyper-inflated sense of self-righteousness. BYU students (the majority) don't listen to EFY and Disney music. Nor should they