Every time a new rock singer comes out they don't say, 'Are...

Every time a new rock singer comes out they don't say, 'Are you the new John Lennon?' Every time a new rapper comes out, it's not, 'Are you the new Dre?' I am never sure why this sort of genre, the categorization is so strong. I have not earned the right to be called the young Sinatra, but give me time.