From the Salzburg Festival: Three famous string quartets, played by the Hagen Quartett, choreographed by Heinz Spoerli, danced by the Zurich Ballet. Antonín Dvorák: String Quartet in F major, Op. 96 "American" - Leos Janácek: String Quartet No. 2 "Intimate Letters" - Franz Schubert: String Quartet in D minor, D. 810 "Death and the Maiden". Heinz Spoerli is one of the most important choreographers of our time. He has influenced the world of dance far beyond his native Switzerland. From 1996 to 2012 he was director and chief choreographer of the Zurich Ballet, which has become under his direction one of the leading companies in Europe.