Composition Moderner Psalm op. 50c Performances 14. February 1993, 17:00 h Be thou, song, my friendly refuge! Johanneskirche Heidelberg 13. February 1993, 20:00 h Be thou, song, my friendly refuge! Johanneskirche Heidelberg 12. February 1993, 20:00 h Be thou, song, my friendly refuge! Marktkirche Hannover