Lewis Capaldi, Niall Horan and Arlo Parks for Radio 1's Big Weekend Dundee Lewis Capaldi, Niall Horan and Arlo Parks are some of the big name acts that have been unveiled for this year's Radio 1 Big Weekend,set to take place in Dundee after the 2020 festival was cancelled. Greg James announced the line-up on Monday's BBC Radio 1 breakfast show, telling listeners that the festival will also include Anne-Marie, The 1975 and Raye.