EVENTS
Amesbury: The new Amesbury Friends Peace Center opens with a reading of “The Human Cost of War: Voices of Iraq soldiers and their families.’’ Sunday, 2:30 p.m., 120 Friend St. Free. www.amesburypeacecenter.org.
MUSIC
Rockport: Jupiter String Quartet in a program featuring Beethoven, Haydn, and Osvoldo Golijov. Sunday, 5 p.m., Rockport Art Association, 12 Main St. $23-$40. 978-546-6604, www.rockportmusic.org.
HALLOWEEN
Salem: Salem Witches Halloween Ball. Friday, Hawthorne Hotel, 18 Washington Square. $150. 978-744-4080 x1, www.festivalofthedead.com.
Event organizers: Submit items to www.boston.com/addevent. 
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