19:00Janice LongJanice's Biggest Weekend Build-up.BBC Radio Wales Duration: 2 hours, 57 minutes Tue 22nd May 2018, 19:00 on BBC Radio Wales ExtraJanice is live from the heart of Swansea ahead of the Biggest Weekend in Singleton Park. Guests include Who's Molly?, Trampolene, and Greta Isaac.ContributorsPerformer:Greta IsaacPerformer:Who's Molly?Performer:TrampoleneGenresMusicClassic Pop & RockMusicPop & ChartMusicRock & IndieBrandJanice Long Source: BBC Online