Sorry but comments like these are just absurd. I have no idea how people don't make the slightest attempt to listen to any new music besides what's on the radio then make sweeping generalization that all music is terrible.
In my opinion, there were ten or so great albums in just 2013. And no, none of them are what you see on that top 40 list above.
Well, there is one gigantic difference between now and say 10-20 years ago. Artists nowadays don't need to be able to sing, read notes or play an instrument, because everything can be created and altered digitally. Again, look at Britney: used to be a pretty face, but she can't sing, her music is written by someone else and she couldn't play an instrument to save her life. She is a pure digital product.
I like lots of current music artists such as Timberlake and Katy Perry, but there is no way in hell that these compare to the likes of Muse, Pink Floyd, or Genesis in terms of artistic quality and musicianship.