CACHE in Medford presents its 13th annual Mystic River Celebration arts festival at the Condon Band Shell and park, rescheduled from the original date of September 21 due to the forecast of rain.. Spend the afternoon enjoying live performances, browsing crafts from 24 local artisan crafts, learning about 23 community organizations, and taking part in fun activities for all ages. Medford artist Christine Willis will lead a Community Art Project, and there will be face painting by Zing! The live performance lineup is Lekha and Friends, noon; Tufts Bhangra Dance Troupe, 12:45 p.m.; Zion Rodman, 1 p.m. Guardians of Isadora Dancers, 1:45 p.m.; Three At Home, 2 p.m.; Vijaya Sundaram, Medford Poet Laureate, 2:45 p.m.; and Matt Heaton and the Electric Heaters, 3 p.m. Food vendors will be Scott Brothers (BBQ, sandwiches, mac-n-cheese), CB Scoops (frozen treats), Goldilox (bagels and drinks), and Lola’s Coffee and More (coffee and Filipino pastries). Visit the event web page for the full list of artists, community organizations, vendors, and activities.