When an orchestra sets out to explore new sounds, it is all about co-creation ad still there is one or two masterminds. Jazz Big Band Graz and its leaders, Horst Michael Schaffer and Heinrich von Kalnein, are walking on an interesting path. On one hand there is the vision of creating new soundscapes on the other hand there is an ensemble of highly qualified experts - how to combine those and create great results? My guest this month is Horst Michael Schaffer, who claims that in his compositions he is thinking from the perspective of the audience - listen to what this means.