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). Peter Oundjian was the music director from 2004 to 2018. Sir Andrew Davis, conductor laureate of the TSO, was the orchestra's interim artistic director from 2018 to 2020. Gustavo Gimeno has been the music director of the TSO since the 2020–2021 season.