Twigg Cycles' Rider's Club will sponsor a charity ride. The ride will visit local historical sites and lay a wreath to honor dead U.S. military personnel. Saturday, registration at 10 a.m. at Twigg Cycles, Hagerstown. For information, call George Burkhardt at 301-834-5270 or send an e-mail to firstname.lastname@example.org.
The Washington County Rural Heritage Museum and Younger Toyota will sponsor its second annual truck show and truck pull. Saturday, judging from 1 to 3 p.m., truck pull at 5 p.m. Rain date is Sunday. Washington County Agricultural Education Center, Md. 65, south of Hagerstown. Truck registration fee is $25; trophies in each class. The truck show is free. Admission to truck pull is $10; free for those younger than 6. Call 240-313-2839.
Betsy Herbst will present a program on "Making Fun Ice Cream" as part of Discovery Station at Hagerstown's Saturday Plus program. Saturday, 1 and 2:30 p.m. Discovery Station, 101 W. Washington St., Hagerstown. Admission costs $5 to $7. Call 301-790-0076 or go to www.discoverystation.org.
School jazz bands will perform live music in the Swingin in the Park Jazz Festival. Saturday, 2 p.m. Hagerstown Community College Amphitheater, Robinwood Drive, Hagerstown. Bands include Boonsboro Middle School, 2 p.m.; Western Heights Middle School, 2:30 p.m.; E. Russell Hicks Middle School, 3 p.m.; Northern Middle School, 3:30 p.m.; Washington County Faculty Big Band, 4 p.m.; Boonsboro Saxophone Quartet, 4:30 p.m.; North Hagerstown High School, 5 p.m.; and Smithsburg High School, 5:30 p.m. Free. Go to www.wcboe.k12.md.us/content/d_i_k12_fine.cfm.
Student night, regular show, plus Enduro Dash. Saturday, 7 p.m. Hagerstown Speedway, 15112 National Pike, Hagerstown. $10 and $18. Call 301-582-0640, send an e-mail to email@example.com or go to www.hagerstownspeedway.com.
The Mariner String Quartet will perform music by Ravel, Debussey and others. Sunday, 2:30 p.m. Washington County Museum of Fine Arts, City Park, Hagerstown. Call 301-739-5727.
The Williamsport Community Band will present its spring concert. Sunday, 3 p.m. Williamsport High School auditorium. Free.