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.
Symposium and Book Launch. “Black Is, Black Ain’t.” 2 p.m., Kent Chemical Laboratory, Room 107, 1020 E. 58th St., 773-702-8670, free. A panel discussion revisiting issues raised in the 2008 exhibition by the same name, curated by Renaissance Society Associate Curator Hamza Walker, and a book launch for the exhibition catalogue. Panelists include Bennett Simpson, curator at the Museum of Contemporary Art, Los Angeles; Kellie Jones, of Columbia University; Walker and others.