The annual summer music festival "Bregenzer Festspiele" is world-famous, taking place in July and August each year on and around a stage on Lake Constance. This festival attracts more than 150,000 people every year to Bregenz (2011: 166,453, 2016: 159,172) and has a budget of around EUR 20 million. The program changes every two years. In 2016 the main opera performed was "Turandot" by Giacomo Puccini, in 2017 and 2018 "Carmen" by Georges Bizet. In 2021 the opera will be Rigoletto by Giuseppe Verdi.