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Edith Sitwell was a British poet and writer. She collaborated with William Walton, an English composer, on several works, including the opera Façade (1922) and the ballet The Rake's Progress (1935). The two worked closely together, and Walton's music was often inspired by Sitwell's poetry. The Façade was a critical and commercial success, and it helped to establish Walton as one of the leading composers of his generation.