The BRANDNEU – International Organ Summer Festival @ St. Martin Kassel provides a large overview of contemporary organ music with over 30 premieres of new organ works composed for the extraordinary Rieger-organ from 2017 with a flexible wind system, quarter-tone manual, and many more great features. The artistic directors Eckhard Manz and Susanne Kujala invited international organists and other instrumentalists to perform during the festival. In the final concert of BRANDNEU on September 10, Susanne Kujala will premiere two symphonies for microtonal organ solo by Jukka Tiensuu and Joachim F. W. Schneider as well a a new organ work by Moritz Eggert.