Considered the most important choral ensemble in Spain, Orfeón Donostiarra has an extensive repertoire which covers works for chorus and orchestra, opera, zarzuela, as well as folk-music and polyphony. Its director since 1987 has been José Antonio Sainz Alfaro. The chorus is a frequent participant in major music festivals in Spain as well as elsewhere in Europe, including Salzburg, Montreux, the Rhine, the Ruhr, Lucerne, Paris St Denis and the Chorégies d’Orange. The chorus has made over 130 recordings.