The National Chamber Ensemble's Home for the Holidays celebrates the holiday season with selections from Tchaikovsky, Vivaldi and more, including a sing-along, with special guests including the Cantus Youth Choir of Choralis. Today, Sunday, Dec. 12, at 4 p.m. Spectrum Theatre at Artisphere, 1611 N. Kent St. Arlington. Tickets are $25. Call 703-573-SEAT or visit artisphere.com.