HALLOWEEN
Hanover: The Hanover Woman’s Club hosts its 27th annual Halloween Parade on Sunday, with registration at 12:45 p.m. in the parking lot behind Town Hall and the assembled marchers stepping off at 1:15 p.m., led by a firetruck and the high school band to Sylvester Field for entertainment by Big Ryan Tall Tales. $2 per child.
Marshfield: The Boys & Girls Club of Marshfield is hosting its 10th annual Haunted House, as well as hay rides for different age groups and food and fun for the whole family, tomorrow and Saturday, 6 to 10 p.m., and Sunday 6 to 9 p.m. at the Marshfield Fairgrounds, 140 Main St. $4 to $15. 781-834-2582, www.marshfieldhauntedhouse.com.
MUSIC
Randolph: Clarinetist Ian Whiting and pianist Margaret Li perform works by Brahms, Bartok, D’Rivera and Vaughan Williams on Sunday, 3 p.m., at Trinity Episcopal Church, 120 North Main St. Free. 781-963-2366.
THEATER
Marshfield: “Plaza Suite,’’ Neil Simon’s classic comedy recounting the stories of three couples successively occupying a suite at the luxury Manhattan hotel, will be performed by the Bay Players tomorrow and Saturday, 8 p.m., at the Zone Theatre, 822 Webster St. Shows also on Nov. 6 and 7. $15. 781-760-4895, www.bayplayers.org.
Event organizers: Submit items directly to www.boston.com/ addevent. 
