Mark Russell and Robert Sandall present a mix of musical styles and influences. They launch the new series from the underground haunts of Vienna, where the Phonotaktik festival of experimental music is now under way. They talk to DJ and promoter Peter Rehberg , saxophonist and composer Max Nagl and producer Curd Duca. Mathias Ruegg talks about his 21 years as director of the pioneering Vienna Art Orchestra. And music comes from Die Knodel, EPY and DJ duo Kruder and Dorfmeister. Producer Andrew Kurowski