Sir Graham Vick (pictured), Carmel Budiardjo, Piers Plowright, Dusty Hill

Julian Worricker on:The opera director, Sir Graham Vick, who challenged people's perceptions by discovering new performers and new audiences.Carmel Budiardjo, the human rights campaigner whose work was influenced by time spent in jail in Indonesia.The award-winning radio documentary maker, Piers Plowright, who set out to shine a light on the everyday lives of ordinary people.And Dusty Hill....the bearded bass player from Texas, who enjoyed worldwide success as part of ZZ Top.Producer: Laura NorthedgeInterviewed guest: Simon Halsey Interviewed guest: Nicholas Payne Interviewed guest: Jonathan Head Interviewed guest: Barbara Patilla Interviewed guest: Simon Elmes Interviewed guest: Sam Dunn