I don't think this song needs an introduction because love or hate Coldplay, most people should know this song by now. It's their most famous anthem, and is a truly beautiful song. The melody and harmonies sound amazing, and Chris Martin's vocals are really outstanding. The lyrics are really cool, and the guitar/bass sound great as well. And as I type, I'm 3 hours away from seeing them live at Crystal Palace! ^_^ Five out of five.