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
Lyceum Theatre (Sheffield) its demolition in 1975. The building was saved in part due to campaigning by the Hallamshire Historic Buildings Society. Over the years the building changed ownership many times, being used variously as a bingo hall and a rock concert venue. By the 1980s, the interior was in a state of disrepair. The theatre was bought by two Sheffield businessmen in 1985, with financial support from Sheffield City Council, and it was reclassified to Grade II* listed status. Between 1988 and 1990 the Lyceum was completely restored at a cost of £12 million. The theatre reopened in 1990 and now serves