Barbara Heller composed Inner Dialogue with a tonal material consisting of several series of intervals that are put together like a dialog. The composer focuses on upward and downward movements. Barbara Heller writes about this: "I was particularly emotionally attached to one series of intervals, which can be found at the beginning of the 2nd part (Lento) and the 5th part (Calmo): major sixth, minor second, fourth, major second and tritone. This falling sixth triggered in me the attempt to come ...