Info This is a computer program that plays bird sound. The bird sound follows some of the laws of nature and is also affected by the position of the sun. The composition is partly random. The singing comes from birds that are site specific and from birds that have been selected on esthetical grounds. This is an opera that will go on 24 hours a day and could be heard in central Gothenburg 7/5-22/5 -05. It try to show the nature at the specific place were the art piece is shown. The piece is also shown at a computer inside the gallery and online.