 In 1936, together with Adolph Hallis, Benjamin Britten, Alan Rawsthorne and Christian Darnton, Wyss was a founder of the Hallis Concert Society, which gave a number of innovative concerts in London in the period 1936–1939.These included British premieres of both contemporary and historical British and European music, including works of Giovanni Pierluigi da Palestrina, François Couperin, Alban Berg, Paul Hindemith, Elisabeth Lutyens and Elizabeth Maconchy.Wyss encouraged British composers to set French texts for her to perform.