Sadler's Wells Opera (Opera Company)
Formed: 1683
Sadler's Wells Theatre is a performing arts venue in Clerkenwell, London, England located on Rosebery Avenue next to New River Head. The present-day theatre is the sixth on the site since 1683. It consists of two performance spaces: a 1,500-seat main auditorium and the Lilian Baylis Studio, with extensive rehearsal rooms and technical facilities also housed within the site. Sadler's Wells is renowned as one of the world's leading dance venues. As well as a stage for visiting companies, the theatre is also a producing house, with a number of associated artists and companies that produce original works for the theatre.
Read more at https://en.wikipedia.org/wiki/Sadler's_Wells_Theatre