Kollegienkirche, Salzburg is a venue of the festival of music established in what year?
Kollegienkirche, Salzburg:  It is now both the parish church of people connected to the university and a venue of the Salzburg Festival. Salzburg Festival: The Salzburg Festival (German: "Salzburger Festspiele" ) is a prominent festival of music and drama established in 1920.
i don't know