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
Church Street (Sheffield) the more significant buildings in Sheffield. Sheffield Cathedral and the Cutlers' Hall both stand on Church Street. The Cathedral is a grade one listed building, construction started in 1430 although a church has existed on the site since the twelfth century. The Cutlers Hall was built in 1832 and is the headquarters of the Company of Cutlers in Hallamshire, it is the third Cutlers Hall on this site and was extended between 1865 and 1867. Other listed buildings on Church Street are the RBS building (number 5), and number 17 which was formerly the HSBC bank. which stand on either