The 35th annual Indiana Fiddlers’ Gathering promises a jam-packed weekend of bluegrass, folk, gospel, and down-home country music. Highlights include Portland, Oregon, “supergroup” the Foghorn Stringband and punk refugees the Forge Mountain Diggers. It kicks off Friday night with a set by the Kountry Kernals, a group of local performers–some of whom have played at every gathering since 1973–playing 1930s Indiana country; there’s ample space for primitive tent camping on the festival grounds. a Fri-Sun 6/22-6/24, Tippecanoe Battlefield Park, Battle Creek, Indiana,, $30 for an adult weekend pass, $15 for kids ($25/$12 in advance). –Martha Bayne