Picks from the week with Sean Rafferty: conductor Iván Fischer talks to Suzy Klein about Zoltán Kocsis and Isata Kanneh-Mason performs live at the In Tune special edition marking Black And British season at the BBC, conductor Odaline de la Martinez on American female composers, Anne Sofie von Otter with string quartet Brooklyn Ryder, and jazz multi-instrumentalist Jacob Collier with his version of 'Hallelujah' in a touching tribute to Leonard Cohen.