The City of Arcata says the All Seasons Orchestra will celebrate the autumn season with a Halloween-themed party and concert. Festivities will include an evening of scary music. The orchestra will perform in costume and encourages concert attendees to wear a Halloween costume to the event. In addition to the concert, a Halloween costume parade will take place at intermission and guests are encouraged to bring a carved or decorated pumpkin to enter the orchestra’s Jack-O-Lantern Contest. The All Seasons Orchestra’s Halloween Concert will take place on Sunday, October 28 at 5 p.m. at the D Street Neighborhood Center, located at 1301 D Street in Arcata. The event is free and open to the public.