 She also premiered Arthur Bliss's "The Beatitudes" in the 1962 festival for the opening of Coventry Cathedral, and gave the first UK performance of Britten's "Cantata Academica" in 1961 as well as the UK premiere of Poulenc's" Les Mammelles de Tiresias" (Aldeburgh 1958).Britten's spelling change to use Tytania in "A Midsummer Night's Dream" rather than Shakespeare's Titania was a tribute to Vyvyan.In 1953 Vyvyan portrayed Elettra in "Idomeneo" at the Glyndebourne Festival.