Plot: Josie d'Arby and Tim Rhys-Evans present the first half of BBC Proms in the Park live from Singleton Park, Swansea. In an evening celebrating the music of film and TV, they are joined by soul singer Mica Paris, who pays homage to jazz legend Ella Fitzgerald (in what would have been her centenary year), Olivier award winner and West End star Rebecca Trehearn and BBC Young Musician 2016 finalist, saxophonist Jess Gillam