The Zelt-Musik-Festival (ZMF) has taken place every June and July since 1983 in Freiburg im Breisgau, Germany. It lasts three weeks and counts up to 120,000 visitors each year. The program is very broad. There is music, art, theater, cabaret and sport in different tents and on open-air stages. According to the organizer it is the biggest and oldest music festival in Baden-Württemberg. Over the years, more than 600 regional and international artists offered a diverse program consisting of classic, jazz, rock, pop and world music, cabaret and children's program. Also, many newcomers have been promoted.