Visitors and residents can now enjoy the delights of Mozarts genius as they are walking down the street thanks to 50 bright red "Calling Mozart" booths placed strategically around Vienna. The booths, which are part of the celebrations for the 250th anniversary of the Austrian composers birth, allow users to listen to his works or obtain information about his life and times by dialling a special number on their mobile phones. The service also explains what Mozart did in that particular area of the capital. Commemorative events in Vienna will include the official reopening of the restored downtown house where Mozart wrote "The Marriage of Figaro.