The InSeries presents a holiday encore of Swingtime!, first staged over the summer. Written and directed by Tom Mallan, with music direction by Burnett Thompson, the play focuses on the post-war 1940s swing era and features a four-piece jazz band, headed by pianist Jean Baptiste, and six singers, performing well-known and lesser-known tunes from the period. Opens tonight Friday, Dec. 3, at 8 p.m. This Sunday, Dec. 5, at 3 p.m. is OUT at the InSeries, specifically geared to the LGBT community. Runs through Dec. 12. Atlas Performing Arts Center's Sprenger Theater, 1333 H St. NE. Tickets are $39. Call 202-204-7763 or visit inseries.org.