https://southportcorridorchicago.com/2026/06/18/music-box-theatre-set-to-debut-long-awaited-third-screen/Southport Corridor News and Events - Chicago, Illinoisen2026-06-18T21:29:24+00:00Music Box Theatre Set To Debut Long-Awaited Third ScreenNew Developments, Chicago, Southport Corridor, Lakeview, Lincoln Avenue, Southport Avenue, Chicago Development, North Side Chicago, Neighborhood news, Lakeview East, Chicago Entertainment, Chicago Movies, Chicago Culture, Film Festivals, Chicago Film Community, Chicago Arts Scene, Third Screen, Independent Cinema, Movie Theater Expansion, Cinema Expansion, Movie News, Historic Chicago, Chicago Attractions, Arthouse Cinema, Chicago Theaters, Local Business News