The Oak Bluffs Association will hold its 38th annual Tivoli Day celebration Saturday along Circuit Avenue from 10 am to 6 pm. The festive end-of-summer celebration will include food, shopping, sales, raffles, strolling, and live music with Nashville “Hitmakers” at noon, Johnny Hoy and the Bluefish at 2 pm and Phil DaRosa and friends at 3:30 pm. Circuit Avenue will be closed to traffic from 9 am to 7 pm. Weather-related announcements will be made on WMVY radio 88.7 on the morning of the event, and a rain date is scheduled for Sunday, Sept. 20. For additional information, call 508-524-2065.