Jazz musician Dan Fox, owner of Morningside Music Studio in Arlington, will provide the live music the Medford Council on Aging’s frightfully fun Halloween Party at the Senior Center. The luncheon menu will be pasta, meatballs, salad and desserts. Wear a costume — a prize will be awarded for the best one! Tickets are $3 per person (limit two); purchase at the Senior Center information desk. Supported in part by a grant from the Medford Arts Council.