Dont know about world but Europe's best is selected every year by a contest named "Eurovision". This year Swedish artist Loreen won with "Euphoria" song. I suggest you to watch live performance on Eurovision finals but I am sending to you the official video from her album.
"Shine Bright like a Diamond" LOL I'm Jkay. 1.Don't Judge Me 2.We are Young 3.We are Never Ever getting Back Together 4. Clique 5.Somebody that i Used to Know 6.Blow Me 7. All i want for Christmas is you 8,. Call me Maybe and More... (These are just a list of Songs o Favored in 2012) (: