The below info is from here.
DUFFY FOR T4 ON THE BEACH
Duffy and Alphabeat are just two of the new acts announced for this summer's T4 On The Beach.
Also added to the bill of the Weston-super-Mare event are The Ting Tings, Feeder and Guillemots. The new names join the likes of McFly and The Feeling at the one-day beachside bash on 20th July.
T4 On The Beach will be broadcast live on C4 for those unable to make it.