Plot: Recorded from this year's Proms season at the Royal Albert Hall with Marie Slorach (soprano), Stephen Roberts (baritone), Michael Rippon (bass), David Wilson-Johnson (speaker), BBC Singers, BBC Symphony Chorus, chorus-master Brian Wright, Choristers of Christ Church Cathedral, Oxford, musical director Francis Grier, BBC Symphony Orchestra, leader Bela Dekany, conducted by Krzysztof Penderecki Introduced by Richard Baker who also talks to Penderecki before the performance. This fine work by one of the leading figures in Polish contemporary music was given its first performance in 1966 to celebrate the 700th anniversary of Münster Cathedral when the composer was 33