On December 7 at 7 pm, concert of NYYD Ensemble's String Quartet entitled Thule Patterns will take place in Tallinn Town Hall where quartet music by Estonian composers will be performed: Arvo Pärt's Summa (1977/1991), Galina Grigorjeva's Infinity Canon (2006), Helena Tulve's nec ros, nec pluvia... (2004), Lepo Sumera's String Quartet (1995), Tõnu Kõrvits's Thule Patterns (2007), Erkki-Sven Tüür's String Quartet in Memoriam Urmas Kibuspuu (1985) and Arvo Pärt's Fratres (1977/1985). The same program will be presented also on December 9 at 8 pm in the Finkenau Arts & Media Campus of Hamburg Media School. Members of NYYD Ensemble's String Quartet are Harry Traksmann (violin), Juta Õunapuu (violin), Torsten Tiebout (viola) and Leho Karin (cello).