Complex sentence: The Killers, Rihanna and Mumford and Sons have been announced to headline in 2013, with other acts including Emeli Sandé, The Script, Jake Bugg, Alt-J, Of Monsters and Men Two Door Cinema Club and Azealia Banks.
Split into simpler sentences: The Killers, Rihanna and Mumford and Sons have been announced to Headline in 2013. Other acts announced are Emeli Sandé, The Script, Jake Bugg, Alt-J, Of Monsters and Men Two Door Cinema Club and Azealia Banks.