Sean Rafferty is joined by harpist Sioned Williams, who will discuss her work on the midi harp and an upcoming performance of Graham Fitkin's No Doubt: Midi Harp Concerto, which was written specifically for her. Sean also talks to viola player Lawrence Power about the release of his new disc, as well as his recital in Cardiff later this week. With a selection of music and guests from the music world. Main news headlines are at 5.00 and 6.00 E-mail: [email protected].