Benefit car show
Car show to benefit Williamsport’s Boy Scout Troop 17. Dash plaques, trophies, door prizes, vendors, DJ, and food by Williamsport High School Blue Band. 8 a.m. to 2 p.m. Saturday. Byron Memorial Park, off Potomac Street, Williamsport. Go to www.facebook.com/rrrcarclub or email email@example.com.
Performing Arts Academy end of summer camp production. The show will celebrate scenes, songs and dances from favorite movies, plays, books and musicians from across the Atlantic. 2 p.m. Saturday. The Maryland Theatre, 21 S. Potomac St., downtown Hagerstown. $10. Call 301-790-3500 or email firstname.lastname@example.org.
‘Take Me Out to the Ballgame’ dance
Hagerstown Country Western Dance Association will hold a line dance for singles and couples. 7:30 to 10:30 p.m. Saturday. Maugansville Ruritan, 18007 Maugans Ave., Maugansville. $7; $5 members. Email email@example.com.
Ag Expo highlights
Expo highlights local agricultural community. Saturday, 9 a.m., 4-H/FFA Horse & Pony Western Show, horse ring; 1:30 to 3 p.m., Barnyard Olympics, ages 3 to 9 and dressed for barnyard activities, AC&T Show Arena; 2 p.m., carnival and midway open; 2, 5 and 7 p.m., Skin & Bones Comedy Circus, fairgrounds; 5 p.m., country music singer Lindsey Erin, Twigg Cycle Tent; 7:30 p.m., lawn-mower racing, track. Final day. Washington County Agricultural Education Complex, 7313 Sharpsburg Pike, south of Hagerstown. $6, gate admission; $10, daily track gate admission, free for ages 8 and younger. For schedule, go to www.agexpoandfair.org.
Museum with model railroad
Trains for kids to run; historic railroad equipment; and artifacts and photos. 1 to 5 p.m. Saturday; and Sunday, July 28. Hagerstown Roundhouse Museum, 300 S. Burhans Blvd., Hagerstown. $5, adults; 50 cents, ages 12 and younger. Call 301-739-4665.
Music by the Lake bluegrass
The Hillbilly Gypsies will perform. 7 to 8:30 p.m. Saturday. City Park’s Peter Buys Band Shell, Virginia Avenue, Hagerstown. Call 301-791-3132.
Open hearth cooking
Denny Warrenfeltz will demonstrate open hearth cooking with recipes using corn and tomatoes fresh from the garden. Sponsored by Boonsboro Historical Society. 2 to 4 p.m. Sunday. Log House, 323 N. Main St., Boonsboro. Free. Call 301-432-8410.
Hagerstown Municipal Band
Selections include “Horn Concerto No. 1” by Richard Strauss, “September” by Michael Mogensen, “When the Saints Go Marching In” arranged by Jack Gale and more. Michelle Reed will be French horn soloist. 7:30 p.m. Sunday. City Park’s Peter Buys Band Shell, off Virginia Avenue, Hagerstown. Free. Go to www.hagerstownband.org.
Pen Mar concert series
Back to Back will provide music for ballroom dancing. 2 to 5 p.m. Sunday. Pen Mar Park, off Pen Mar High Rock Road, near Cascade. Free. Call 240-313-2700.