24 musicians from 10 different countries form Klangforum Wien, an ensemble for contemporary classical music founded in 1985 by Beat Furrer and based in Vienna. As one of the renowned European soloist ensembles Klangforum Wien is composed of members from Australia, Bulgaria, Germany, Finland, France, Greece, Italy, Austria, Sweden and Switzerland. Sylvain Cambreling, Friedrich Cerha and Beat Furrer are three outstanding musicians who have been awarded an honorary membership of Klangforum Wien through an unanimous decision by the ensemble. Starting with the 2018/2019 season, Bas Wiegers takes on the role of principal guest conductor from Sylvain Cambreling, who remains associated with the ensemble as principal guest conductor emeritus.