Free? Easy? These items from the week ahead are both.
Show with an Idol
Former “American Idol” contestant James Durbin, who placed fourth in the reality show’s 10th season, plays a set of heavy rock at the Kennedy Center’s Millennium Stage.
6 p.m. 2700 F St. NW. 202-467-4600. www.kennedy-center.org.
Watch the romantic classic about a teenage New York girl vacationing in the Catskill Mountains who falls in love with the resort’s dance teacher — featuring one of Hollywood’s most memorable duos, Jennifer Grey and Patrick Swayze.
8:30 p.m. Bethesda Row, Bethesda and Woodmont avenues, Bethesda. www.bethesdarow.com .
Concert for kids
Peter McCory brings his one-man band to downtown Silver Spring to play familiar and original children’s songs.
6 p.m. 916 Ellsworth Dr., Silver Spring. www.downtownsilverspring.com .
Christopher H. Hammer, author of “Enduring Battle: American Soldiers in Three Wars, 1776-1945,” will discuss the experience for troops on the ground during the Revolutionary War, the Civil War and World War II.
6:30 to 8:30 p.m. Arlington County Central Library, 1015 N. Quincy St., Arlington. 703-228-5990. www.library.arlingtonva.us/eventscalendar .
Last Jazz in the Garden
Every summer, we get pretty excited about the opportunity to take in jazz music with the National Gallery of Art’s Sculpture Garden as a backdrop. Alas, with summer coming to an end, so, too, must the series. The Dixie Power Trio has been tapped to end this year’s schedule.
5 p.m. Seventh Street and Constitution Avenue NW. 202-289-3360. www.nga.gov .
Greenbelt Labor Day festival
The city of Greenbelt celebrates the long weekend with a carnival that includes exhibits, a parade, the Miss Greenbelt Pageant, rides, music, food and more.
Saturday 10:30 a.m.-11 p.m., Sunday noon-11 p.m., Monday 11 a.m.-6 p.m., Friday 6-11 p.m. 101 Centerway, Greenbelt. 301-474-8000. www.greenbeltlaborday.com. Free admission.
Classical music under the stars
On the eve of Labor Day, head to the west lawn of the Capitol for a performance by the National Symphony Orchestra. Before the show, watch an open rehearsal at 3:30 p.m.
8 p.m. 100 Constitution Ave. NE. www.kennedy-center.org .