'Audience Orchestra' is an interactive experiment developed by the contemporary Estonian musical group Ensemble U:.:. The listeners of the event gain unusual power – —they can control how the concert develops, what music is played, and give provide instant feedback of their opinions. In some sections they can play along with the performers and are turned into a kind of orchestra. But, unlike a normal orchestra that is based in strict hierarchies and rules, the audience orchestra acts on the bases basis of democracy – where everybody everyone has a vote and decisions are made when the majority is for itby majority. The main goal of this singular experiment is to investigate and play around with explore the idea of “democracy in making music”. What is it thatdoes the public really wants and expects? Are they happy if it is finally the “public voice” that controls the concert? The public (maximum of 100 people) Audience members can participate can take part using a smart-phone, tablet, or laptop.