34 Artists. 1 Mashup. This is the line up for Radio 1's Big Weekend 2015 in Norwich, May 23rd and 24th. And you'll be able to watch it all on BBC iPlayer.

The artists are 5 Seconds Of Summer, Alt-J, Ben Howard, Catfish & The Bottlemen, Charli XCX, Circa Waves, Clean Bandit, David Guetta, Ella Eyre, Fall Out Boy, Florence + The Machine, Foo Fighters, George Ezra, Hozier, Imagine Dragons, James Bay, Jamie T, Jess Glynne, Jungle, Lower Than Atlantis, Mallory Knox, Muse, Olly Murs, Raury, Rita Ora, Rudimental, Sam Smith, Sigma, Slaves, Snoop Dogg, SOAK, Taylor Swift, The Vaccines, Years & Years Show less