The musical axis of the opera Bildbeschreibung consists of the relations between the soloistically treated instruments, the parts of which are based on the realisation by the performers of layers of sound – understood not just as the exploration of their own instrument, but above all the presentation or representation in sound of the text. Each of the parts forges an area of ‘pictorial description’, so it is designed to lead the listener to ask what came before and how this came about.

The mu...