New additions to the line up Red Fang and The Wytches will join the bill on the NME/Radio 1 Stage, featuring headliners CourteenersBombay Bicycle Club and Disclosure (Live).
SecondcityZincMilky ChanceWe Were EvergreenNightbox and The Tea Street Band join the BBC Radio 1 Dance Stage line up, which includes closing sets from Netsky (Live)Pendulum (DJ set) and Flume.
On the Lock Up, Empress AD, Misty Miller and Blacklist Royals join a bill featuring the very best in punk and rock, including stage headliners Jimmy Eat World and Gogol Bordello.
Festival Republic Stage headliners Palma VioletsBand Of Skulls and Augustines are joined by great new additionsChildhoodSweetheadDolomite MinorThe BohicasThe Royal ConceptX AmbassadorsFlyte and Twisted Wheel.  
The BBC Radio 1 Xtra Stage returns for its second year in 2014, offering the best of hip hop, urban and grime, with headline acts GiggsPusha TDanny Brown and Joey Bada$$, joined today by Sinead HarnettSasha Keable,Mirror SignalBad RabbitsStar.One and Tinashe.