I have to do that same thing in french at the mo, it sucks
I think Im just gonna write about a few of the mainstream groups, and say about the top 40. I think theres a variety in the top 40 stuff, its never all the same genre really.. Oh yeah, and Im writin about the other genres of course, and sayin that there can be alot of controversy between 'em.
Ok so Im fairly sure that wont have helped you at all, but hey, I tried.