‘Christmas 101’ at Royce Hall

Join Rufus and Martha Wainwright for a holiday concert and post-show gala called “Christmas 101.” Expect festive carols, loads of food and drink and a glitzy cast of special guests, including Emmylou Harris, Van Dyke Parks and Carrie Fisher. Royce Hall, 340 Royce Drive, L.A. 8 p.m. Fri. Prices vary. https://www.ucla.edu.