A programme in which different interpretations on gramophone records are compared. t CHRISTOPHER HEADINGTON discusses three Debussy Preludes, all from Book 1: Les sons et les parfums tournent dans I'air du soir; Les collines d'Anacapri; Des pas sur la neige. The pianists include Casadesus, Cortot, Ferber, Frankl, Gieseking, Gulda, Haas, Ilja Hurnik , and Richter.