Question: Kollegienkirche, Salzburg is a venue of the festival of music established in what year?

Context paragraphs:
Salzburg Festival: The Salzburg Festival (German: "Salzburger Festspiele" ) is a prominent festival of music and drama established in 1920.  It is held each summer (for five weeks starting in late July) within the Austrian town of Salzburg, the birthplace of Wolfgang Amadeus Mozart.  One highlight is the annual performance of the play "Jedermann" ("Everyman") by Hugo von Hofmannsthal.

Francophonie Diffusion: Francophonie Diffusion is a music platform for international media promotion of French and Francophone music established in February 1993.  The association is supported by French Ministry of Foreign Affairs, French Ministry of Culture and Communication and Société des auteurs, compositeurs et éditeurs de musique (SACEM).  Francophonie Diffusion have network affiliates of more than 1000 medias (including almost 800 radio stations), festivals and music supervisors worldwide located in 100 countries, provinces or territories.  It specialized in the export of the French labels's releases and promotes French artists around the world.  Francophonie Diffusion also published a monthly and yearly record chart of the most-played French singles across the world.

Kleines Festspielhaus: The House for Mozart (formerly known as Kleines Festspielhaus) is a theatre in Austria.  It is one of the venues of the Salzburg Festival in the city of Salzburg.  Since 1925, it was the first venue for the festival and carries the name House for Mozart since 2006.  Mainly, operas and concerts are staged there.

Calcutta School of Music: Calcutta School of Music established in 1915 by Phillipe Sandre is one of the premier institutions of India, in the field of Western Classical music and Contemporary classical music.  It was established in the year 1915 by Phillipé Sandré, a musician of considerable calibre, and a contemporary and friend of the famous composer Saint Saëns.  It has a wide ranging canvas of musical disciplines covering both Indian and Western music, dance, speech training, elocution, and drama.  The School is an important element of the city of Kolkata, providing liberal instruction in musical subjects on one hand, and also arranging orchestral, chamber and solo music training and concerts, as well as music appreciation sessions throughout the year.  Many visiting luminaries of the musical world have visited the School throughout its existence.  this include maestros Yehudi Menuhin, Isaac Stern and Mstislav Rostropovich.  The great sitar maestro Pandit Ravi Shankar inaugurated the faculty of Indian Music & Dance during the year 1975.

ARC Music: ARC Music established in 1976, is a world music and folk music label based in West Sussex, England, specializing in ethnic music of different world cultures.

Kollegienkirche, Salzburg: The Kollegienkirche (Collegiate Church) in Salzburg, Austria, is the church of the University of Salzburg.  It was built in Baroque style by Johann Bernhard Fischer von Erlach.  Dedicated to the Immaculate Conception, it is part of the UNESCO World Heritage Site Historic Centre of Salzburg.  It is now both the parish church of people connected to the university and a venue of the Salzburg Festival.

Markus Hinterhäuser: Markus Hinterhäuser (born 30 March 1958 in La Spezia, Italy) is an Austrian pianist and the current Artistic Director of the Salzburg Festival.  He studied music at the Vienna Conservatory under Elisabeth Leonskaja and the Mozarteum University of Salzburg under Oleg Maisenberg.  As a chamber musician, he has performed with several notable performers, including the Arditti Quartet and singer Brigitte Fassbaender.  As a piano soloist he is particularly known for his performances of the works of the Second Viennese School and 20th century works by composers like John Cage, Morton Feldman, and Galina Ustvolskaya.  Since 2006 he has served as the Concert Director of the Salzburg Festival; a post he is scheduled to leave after the 2011 summer festival.

Hip Hop goes Theatre: Hip Hop goes Theatre is an international hip-hop theatre festival based in Salzburg, Austria, that was founded in 2008 and is produced annually by the NPO Urban Foundation.  It has been under the artistic direction of Alexander Wengler and Sergej Pumper since its inception.  Since 2012, the two-day festival has been hosted at the "Republic Salzburg" venue, developing new theatre work with local and international hip-hop artists.

Salzburg Easter Festival: The Salzburg Easter Festival (German: Osterfestspiele Salzburg) is an annual festival of opera and classical music held in Salzburg, Austria during Easter week.  Herbert von Karajan founded this festival in 1967 as a means of expanding the traditional Salzburg Festival during the summer.  The Easter Festival presents major productions of operas at its beginning and the end, along with works from the great orchestral repertoire at the Großes Festspielhaus.

Urban Music Association of Canada: The Urban Music Association of Canada (UMAC) is a Canadian non-profit organization focused on showcasing and expanding Canadian urban music established in 1996.  UMAC offers a variety of service such as workshops, tours and also hosts the "Canadian Urban Music Awards".  Its president is Will Strickland.

Supporting paragraphs: Kollegienkirche, Salzburg Salzburg Festival
Answer: 1920