Katie Derham presents musical highlights from across the week on In Tune, including author Alexander McCall Smith on the music which inspires him ahead of a special BBC Symphony concert celebrating his work. Tenor Nicky Spence and pianist Julius Drake perform excerpts from Janáček's 'The Diary of One Who Disappeared' live in the studio, and Beninese singer-songwriter Angélique Kidjo explores the African rhythms in the work of Cuban singer Celia Cruz.

Photo credit: Laurent Seroussi