The Houston Chamber Choir continues its 20th-anniversary season:
December 5, 7:30 p.m., Britten, St. Nicolas; at South Main Baptist Church, Houston; featuring the Treble Choir of Houston;
12/12 and 12/13 at 3:30 and 7:30 p.m., Christmas at the Villa, featuring The Treble Choir of Houston; at The Chapel of the Villa de Matel;
For information: houstonchamberchoir.org.