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
Sheffield Manor Lodge Elizabeth would provide. Two of Mary's letters are preserved in the Sheffield Archives. The Duke of Norfolk, not long released from the Tower of London, was caught in collusion with the papal agent Roberto di Ridolfi plotting to bring about a Catholic uprising in England. Parliament demanded the execution of both Mary Stuart and Norfolk. At this stage no action was taken against Mary, but the Duke of Norfolk was beheaded in 1572. In 1582, while Mary was still being held at Sheffield, an inventory of all the household goods and furniture belonging to George, Earl of Shrewsbury was made.