Hingham: The Model Railway Club Spring Show and Open House features the club’s operating layout, dealer tables, a “white elephant table,” and demonstrations of model railroad construction. Saturday, 9 a.m. to 4 p.m.; Sunday, 10 a.m. to 4 p.m. South Shore Model Railway Club, Bare Cove Park Drive. $5, $3 seniors and ages 5-12 with adult. 781-740-2000, www.ssmrc.org.
Quincy: The Eastern Nazarene College Sign Language Club will present its annual Sign Language Concert featuring songs performed in American Sign Language by members of the Sign Language Club. Friday, 7 p.m., Wollaston Church of the Nazarene, 37 E. Elm Ave. $5, $2 seniors, students, under 5. www.enc.edu.
Quincy: Enjoy an afternoon of live jazz by the Kenny Hadley Big Band. Sunday, 2 to 6 p.m., Commonwealth Restaurant & Lounge, 79 Parkingway. $10. www.facebook.com/kennyhadleybigband.Event organizers: submit items directly at www.boston.com/addevents.