Plot: Samira Ahmed presents from the Royal Albert Hall, as Juanjo Mena conducts the BBC Philharmonic in Bruckner's richly-expressive 6th Symphony and Wagner's highly-charged Prelude to Act I of Tristan and Isolde. The Manchester Chamber Choir, Northern Sinfonia Chorus and Rushley Singers join them for the world premiere of James MacMillan's powerful and deeply spiritual Credo