Sound theatre is a performance art of special purity, cousin to music.A meditation on the nature of sound how it shapes and colours our daily experiences. Sound Theatre is a series of short missives, both whimsical and profound, that collectively form an intimate portrait of the award-winning playwright and his artistic philosophy, providing a great insight into writing drama for the radio, a unique and much cherished medium.the ninth and latest series in the Oberon Masters series is Pownall's thoughts presented as an enjoyable series of missives. It goes beyond authorship, although it has plenty to say about script writing, and discusses the nature of sound and how it colours daily experiences - The Stage.