Overview: From the Royal Albert Hall, Samira Ahmed introduces the BBC Philharmonic Orchestra conducted by Juanjo Mena, who perform Rachmaninov's Piano Concerto No 2 and Nielsen's Fourth Symphony. The piano soloist is the extraordinary young Japanese pianist Nobuyuki Tsujii, whose blindness is no barrier to his musical talent. Nielsen's Fourth Symphony, 'The Inextinguishable', features a battle between two sets of timpani.