Concert. “Holiday Cheer!” 6:30-8 p.m., Rockefeller Chapel, 5850 S. Woodlawn Ave., 773-702-2100, $20 family pass, $10 general admission, $5 U. of C. students. The Chicago Men’s A Capella and Chicago Children’s Choir perform. The audience will be invited to join in a round of caroling. Tickets on sale at ticketsweb.uchicago.edu and at the door.