Emergency BU Alert Boston University's Charles River Campus is cancelling evening classes on Monday, February 8, 2016. All academic and administrative activities (e.g. classes, seminars and meetings) that are scheduled to take place before 5:00 PM will meet as scheduled. Academic and administrative operations that are normally scheduled to occur after 5:00 PM will be cancelled. For detailed information on the Boston University Medical Campus, please go to: http://www.bu.edu/ehs/comm Please note: Employees in essential services must report as scheduled. Essential services include, but are not limited to, University Police, Facilities Management and Planning, University Dining Services, University Mail Services, Student Health Services, Environmental Health & Safety and Network Services. For the latest information please go to: http://www.bu.edu/today

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Home to an average of 416 classes a day, the College of Arts & Sciences—better known as CAS—is easily the busiest classroom building on campus. Each day, nearly 9,000 students walk through its arched doorways, taking courses in subjects from earth sciences and chemistry to modern languages and art history.

But once classes are done for the day and dusk falls, something magical happens inside the sprawling Gothic building. Classrooms, hallways, and stairwells are transformed into a vibrant rehearsal space for dance troupes, comedy acts, theater groups—even a barbershop quartet.

“CAS has a completely different life to it at night,” says Ian Blau (COM’15), whose group, Theater for Everyone, practices there.