Competition, the International Contemporary Music Festival Warsaw Autumn, the Jazz Jamboree, Warsaw Summer Jazz Days, the International Stanisław Moniuszko Vocal Competition, the Mozart Festival, and the Festival of Old Music. Warsaw is also considered one of the European hubs of underground electronic music with a very attractive house and techno music scene. Warsaw is home to over 30 major theatres spread throughout the city, including the National Theatre (founded in 1765) and the Grand Theatre (established 1778). Warsaw also attracts many young and off-stream directors and performers who add to the city's theatrical culture. Their productions may be viewed mostly in smaller theatres and Houses of Culture (Domy Kultury), mostly outside Śródmieście (Central Warsaw). Warsaw hosts the International Theatrical Meetings. From 1833 to the outbreak of World War II, Plac Teatralny (Theatre Square) was the country's cultural hub and home to the various theatres. Plac Teatralny and its environs was the venue for numerous parades, celebrations of state holidays, carnival balls and concerts. The main building housed the Great Theatre from 1833 to 1834, the Rozmaitości Theatre from 1836 to 1924 and then the National Theatre, the Reduta Theatre from 1919 to 1924, and from 1928 to 1939the Nowy Theatre, which staged productions of contemporary poetical drama, including those directed by Leon Schiller. Nearby, in Ogród Saski (the Saxon Garden), the Summer Theatre was in operation from 1870 to 1939, and in the inter-war period, the theatre complex also included Momus, Warsaw's first literary cabaret, and Leon Schiller's musical theatre Melodram. The Wojciech Bogusławski Theatre (1922–26) was the best example of "Polish monumental theatre". From the mid-1930s, the Great Theatre building housed the Upati Institute of Dramatic Artsthe first state-run academy of dramatic art, with an acting department and a stage directing department. Museums and art galleries There are over 60 museums and galleries in Warsaw which are accessible to the public. As interesting examples of expositions the most notable are: the world's first Museum of Posters boasting one of the largest collections of art posters in the world, and the Museum of the History of Polish Jews. Among the most prestigious ones are the National Museum with a collection of works whose origin ranges in time from antiquity until the present epoch as well as one of the best collections of paintings in the country including some paintings from Adolf Hitler's private collection, and the Museum of the Polish