The Orchestra of the Age of Enlightenment’s “Night Shift” concerts are pulling in that much-sought-after younger audience. “It’s been running for a couple of years, and the idea is simple: after a full-scale concert, the OAE players and their conductor for the evening perform an hour-long concert for a more relaxed clientele (who, mercifully at 10pm on a Friday night, were allowed to bring a drink into the auditorium).”