The Spanish choir Ars Poliphonica is carring out an international tour entitled "Ouróboros. La mvsica de los días" with a very ambitiuous program wich include music form the Renaissance to the XXI century. In their own words, they present a journey across the best vocal music of the last sixs centuries, and in this tour there is also the Victoria's motetete O vos omnes. Furhtermore the audience can enjoy music ancient music from Passerau, Verdelot, Lotti, Bortniansky, and contemporary music from Vaughan, Kierk y Rusby, among others. It is a large tour, and their next stops will take place in Logroño (november 23), Solares (november 24), Totana (december 7), San Juan de Alicante (december 8), Santander (december 15) and Santo Domingo de la Calzada (december 28).