The Toronto Symphony Orchestra (TSO) is a Canadian orchestra based in Toronto, Ontario. Founded in 1906, the TSO gave regular concerts at Massey Hall until 1982, and since then has performed at Roy Thomson Hall. The TSO also manages the Toronto Symphony Youth Orchestra (TSYO). The TSO's most recent music director was Peter Oundjian, from 2004 to 2018. Sir Andrew Davis, conductor laureate of the TSO, has most recently served as the orchestra's interim artistic director. Gustavo Gimeno is music director of the TSO, since the 2020–2021 season.

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.