Hartwig Barte-Hanssen (b. 1961) — In memoriam Dietrich Bonhoeffer, op. 71 (2005) for organ
“In memoriam Dietrich Bonhoeffer”, op. 71 was written in memory of Bonhoeffer (1906–1945), German Lutheran pastor and theologian who was executed by the Nazis for his resistance efforts.
German composer and organist Hartwig Barte-Hanssen (b. 1961) studied at the University of Hamburg where his teachers in music included Rose Kim, Eberhard Müller, and György Ligeti. He has appeared as a concert organist throughout Europe and serves as organist and choirmaster at St. Bartholomew in Wilster. Barte-Hanssen has composed works in varied genres including solo and chamber works and a number of cantatas and oratorios.