Continuing a selection of assorted highlights from the Edinburgh Festival presented by Emma Freud.
Tonight, a look at Abbey Theatre's production Observe the Sons of Ulster Marching Towards the Somme, which examines the history of Protestant Irish sacrifice in the First World War and its repercussions today.
And veteran actress Billie Whitelaw talks about her autobiography and her life and work with playwright Samuel Beckett. Plus a look at the work of the conceptual performance artist Marina Abramovich.
Producer Louise Wardle ; Editor John Archer