 Since 1982, it has been used as a performance hall.Another venue in Midtown built in the 1920s is the Neo-classical Powell Symphony Hall (1925), formerly a cinema and vaudeville theater, now the home of the St. Louis Symphony.Some notable post-modern commercial skyscrapers were built downtown in the 1970s and 1980s, including the One US Bank Plaza (1976), the AT&T Center (1986), and One Metropolitan Square (1989), which is the tallest building in St. Louis.