Front illustration: Hell (Right-hand panel from the Triptych of Earthly Vanity and Divine Salvation (c1458) by Hans Memling (c1433-1494), Musée des Beaux-Arts, Strasbourg, France / Bridgeman Art Library, London
Recorded in the chapel of The Queen's College, Oxford, by kind permission of the Provost and Fellows on 1-3 September 2006