Thousands of music fans are preparing for Radio 1's Big Weekend which kicks off in Londonderry.
Calvin Harris is the first headliner for the three-day event in Derry's Ebrington Square.
Artists including Alt-J, Wretch 32, Jake Bugg and Paramore have spoken to Newsbeat about what they're expecting this weekend.
There's more information on BBC Radio 1's Big Weekend Derry-Londonderry website.
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