Expect Folk, Americana, Soul, Funk, Rock, Jam and Bluegrass performances, local food vendors like 20 Brix, Dojo Gelato and Big Poppa Slims, plus a wealth of amped-up kids’ entertainment, including a bungee joust, Velcro wall, hamster water balls and a rock climbing wall. Free. 11 a.m.-11 p.m. Saturday, Sept. 15. Main Street, downtown Milford. longstonestreetfestival.com.