Sheffield exists to promote chamber music. It describes itself as the largest promoter of chamber music outside London. Sheffield has two large theatres, the Lyceum Theatre and the Crucible Theatre, which together with the smaller Studio Theatre make up the largest theatre complex outside London, located in Tudor Square. The Crucible Theatre is the home (since 1977) of the World Snooker Championships and hosts many well-known stage productions throughout the year. The Lyceum, which opened in 1897, serves as a venue for touring West End productions and operas by Opera North, as well as locally produced shows. Sheffield also has the
High Street (Sheffield) on 13 May 1953. A new Marples Hotel opened in 1959 while C&A Modes also rebuilt their store, although the building is now occupied by Primark. The early 1960s saw a radical change to High Street's junction with Angel Street when a decision was taken to give cars easier access to the city centre. This involved the creation of Arundel Gate, a dual carriageway which approached from the south and met the High Street / Angel Street junction at a roundabout. These changes resulted in the demolition of Change Alley, an ancient thoroughfare which ran between High Street and Norfolk