"They are taking a southern American idiom and moving it into the 21st century, " he told Zane Lowe.

BBC: Newsbeat - Music - U2 fear The Killers and Coldplay

Confirmed artists so far include Madness, Plan B, The Streets, Zane Lowe, Mr Oizo, Katy B and Ed Sheeran.

BBC: Acts to compete for Jersey Live festival slot

Newton Faulkner, Zane Lowe, Wretch 32, Jamie Cullum, Ms. Dynamite and Trent Reznor were among the high-profile names giving advice.

BBC: Jamie Cullum and Jo Whiley