Join Katie Derham for the final programme of Proms Extra in the series. On the sofa are violinist Nigel Kennedy, composer for the Last Night of the Proms Eleanor Alberga and pianist Joanna MacGregor. The focus is on Sir András Schiff and his performance of Bach's Goldberg Variations, Prokofiev's Fifth Symphony and Schubert's Great C Major Symphony. Plus Nigel Kennedy performs.