Jammsammich will perform at Mackinaw Valley Vineyard (located at 33633 IL-9 in Mackinaw) beginning at 7 pm. Enjoy their mixture of groove-driven funk and R&B, retro 80’s tunes, island jams, and liberal doses of comedy. Admission is $5 for adults and free for ages under 12. Bring lawn chairs along with your own foods: however, no beverages of any kind. There will also be wine tasting plus wine, beer, sodas, pizzas, cheese & crackers, and chocolates for sale. For more information, visit www.mackinawvalleyvineyard.com