In 2021 Rebecca is part of the Ulysses Ensemble, organised by the IRCAM in Paris. With Ulysses she plays at Manifeste in Paris under the baton of Pierre Bleuse, in Royaumont with Jean-Philippe Wurtz and in october they will perform with Beat Furrer and the Festival Mixtur in Barcelona. Her interest in chamber music and contemporary music gave her the opportunity to play in different festivals around the world, including the Beijing Modern Music Festival in China, the Warsaw Autumn Festival and the Festival de La Habana de Música Contemporánea in Cuba.