Koester’s new large chamber piece, “separate, internal, secluded” (ca. 15 min), will be premiered on April 20th, 2018 as part of his Recital in fulfillment of his Master of Composition studies at the Hochschule für Musik und Theater, Hamburg. The concert will take place at 20:00 at the Rudolf Steiner Haus (Mittelweg 11, 20148 Hamburg) with a reception to follow.