The BBC Symphony Orchestra is set to present its program “Total Immersion: Music for the End of Time” on Jan. 23, 2022 in Barbican Hall. Events for Total Immersion Day will begin that morning at 10:30 a.m. with the showing of the film “The Music of Terezín.” The first concert starts at 1:30 p.m. featuring “The Theresienstadt Orchestra,” followed by {…}