Salem High School Music Department Sneak Preview Concert

7 p.m., Salem High School auditorium, 77 Willson St. Performances by SHS marching band/choruses, a cappella group Witch-Pitch?, and Northshoremen Barbershop Chorus. Proceeds benefit Mary Parker Memorial Scholarship Fund and high school performing groups. Refreshments served. $6 for adults; $4 for students and seniors. 978-745-9300. www.spssalemhs. salemk12.org.