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
Glen Street Theatre theatre, the first professional Glen Street Theatre subscription season was launched in 1994. On 27 February 2013 Warringah Mayor Michael Regan commissioned, with council approval, a $7 million two-stage masterplan for the theatre and community centre precinct, noting: "Glen Street is the grande dame of Sydney’s suburban theatres but, after 27 years, she’s in need of an overhaul". Stage 1 entailed Glen Street Theatre Foyer upgrade and landscaping ($1.8 million), which were completed in early 2015. Stage 2, which entails moving Belrose Branch Library (opened 1979) to the Glen Street frontage, a new café and offices ($5.5 million), was completed