Massey Hall is a performing arts theatre in Toronto, Ontario, Canada. Opened in 1894, it is known for its outstanding acoustics and was the long-time hall of the Toronto Symphony Orchestra. An intimate theatre, it was originally designed to seat 3,500 patrons, but after extensive renovations in the 1940s, it now seats only up to 2,765. It has an extensive histor…Massey Hall is a performing arts theatre in Toronto, Ontario, Canada. Opened in 1894, it is known for its outstanding acoustics and was the long-time hall of the Toronto Symphony Orchestra. An intimate theatre, it was originally designed to seat 3,500 patrons, but after extensive renovations in the 1940s, it now seats only up to 2,765. It has an extensive history of concerts by artists of many musical genres which continues today.