© London News Pictures. 31/05/2015. Hay-on-Wye, Powys, Wales, UK. On the last day of the Hay Festival, Nigel Kennedy is in conversation with Clemency Burton-Hill - In an informal pre-concert interview, the violinist talks about his approach to music, his Polish band, his 1732 violin made by Carlo Bergonzi of Cremona, jazz, Villa and Vivaldi. Photo credit : Graham M. Lawrence/LNP.