Silhouette Stages presents Monty Python's musical comedy 8 p.m. Friday and Saturday, March 6 and 7, at Slayton House, 10400 Cross Fox Lane. Tickets are $20, $17 for seniors, students and the military. Information: 410-637-5289.
•"Poets and Painters Retrospective" The all-media show runs March 6 through March 27 at the Artists' Gallery, American City Building, 10227 Wincopin Circle. A reception with wine, food and poetry readings will be held from 6 p.m. to 8:30 p.m. Friday, March 6. Gallery hours are 10 a.m. to 5 p.m. Mondays through Fridays and 9:30 a.m. to 3:30 p.m. Saturdays. The gallery is also open by appointment. Information: 410-740-8249 or artistsgallerycolumbia.com.
•"Relentless Spirit" An exhibition of paintings and drawings by Andrei Trach runs through Saturday, March 28, in the Lobby and Bill White Room galleries at the Bernice Kish Gallery at Slayton House, 10400 Cross Fox Lane. Gallery hours are 9 a.m. to 9 p.m. Mondays through Thursdays, 9 a.m. to 5 p.m. Fridays and 9 a.m. to 2 p.m. Saturdays. Information: 410-730-3987, 301-596-4883 or wildelake.org.
Zumba classes The Long Reach Community Association offers Zumba classes from 7 p.m. to 8 p.m. Tuesdays. The class includes Latin and international music with a workout combining strength and resistance training with dance moves.Information: 410-730-8113.
Wii Club The Howard County Department of Recreation and Parks offers a Wii Club for those 55 and older from 10 a.m. to 11 a.m. Tuesdays at the Bain Center, 5470 Ruth Keeton Way. The first game is free. Information: 410-313-7213.
Single Again Changing Focus: Single Again, a nonprofit for adults who are separated, widowed or in the process of divorce, provides weekly presentations and small-group discussions in a confidential, comfortable atmosphere. The group meets at 7 p.m. Mondays at First Presbyterian Church, 9325 Presbyterian Circle. An orientation for new members is offered at 6:30 p.m. Information: changingfocus.org.
Food addicts recovery An informational and support meeting for those suffering from food addiction, food obsession, obesity, bulimia or undereating will be held from 8:30 a.m. to 10 a.m. Sundays at Harper House, 5495 Cedar Lane, Suite 1. Free. Information: 443-285-2603.
Singles social The Phoenix Cultural Singles Group, a Columbia social group for those 50 and older, meets from 11:45 a.m. to 1:15 p.m. Sundays at the Oakland Mills Interfaith Center, 5885 Robert Oliver Place in the Oakland Mills Village Center. Coffee, tea and a light snack are served. The group plans events and trips. Information: 410-997-0739.
Chair yoga The East Columbia 50+ Center at the East Columbia branch of the Howard County Public Library, 6600 Cradlerock Way, offers chair yoga, an introduction to yoga aimed at easing the pain of arthritis, reducing fatigue and improving circulation and breathing, at 9:30 a.m. Tuesdays. Reservations: 410-313-7680.
Also at the 50+ Center:
Chess club A group for novice and veteran players meets at 1 p.m. Thursdays. Free.
Zumba Gold Classes with Kim Zanski take place at 1 p.m. Tuesdays. Monthly fee.
Latin Jam Lori Anderson leads this fast-paced dance class at 1 p.m. Thursdays. Monthly fee.
Morning exercise Do light aerobics with O.H. Laster at 9 a.m. Mondays and Wednesdays. Monthly fee.