Composition Siegfried-Idyll Performances 24. March 2013, 19:30 h Heidelberger Frühling Neue Aula der Universität Heidelberg René Leibowitz › 21. June 1992, 20:00 h Music as Perception Johanneskirche Heidelberg 20. June 1992, 20:00 h Music as Perception – I. Moments Johanneskirche Heidelberg