Concord: This summer’s blueberry harvest will be celebrated with a pancake breakfast, featuring fresh, local berries and Massachusetts maple syrup, bacon or sausage, juice and milk or coffee, a pie-eating contest, music by the Yankee Stompers, and hayrides Saturday, 9 a.m.-noon, at Verrill Farm, 11 Wheeler Road. $7.50, ages 9 and younger $4.50. 978-369-4494, www.verrillfarm.com.
Arlington: Louise Grasmere (inset) and her group, Meeting Across the Water, blend blues, folk, gospel, and jazz in a free outdoor concert Monday, 7 p.m., on the lawn at Robbins Library, 700 Massachusetts Ave. Rain location is Town Hall’s auditorium. www.robbinslibrary.org.
Newton: Bopkick performs jazz standards, such as Cole Porter’s “It’s All Right with Me’’ and Chick Corea’s “Spain,’’ Tuesday, 7:30 p.m., at Newton Free Library, 330 Homer St. Free. 617-796-1360, www.newtonfreelibrary.com.
Event organizers: Submit items directly to boston.com/addevents.