The celebrated Hagen Quartet perform works from the Czech tradition of quartet writing, with music by the founding father of the form, Joseph Haydn, and Janacek. Hagen Quartet: Lukas Hagen, Rainer Schmidt (violin) Veronika Hagen (viola) Clemens Hagen (cello) Haydn: String Quartet in D minor, Op 76 No 2 (Fifths) Janacek: String Quartet No 1 (Kreutzer Sonata).