Cost: $20/person Location: Hunt Hill Nature Center Walk-ins welcome the day of the event until sold out. Limit: 100 people Based in the Chippewa Valley, Balterdash performs an eclectic mix of Americana, bluegrass, swing, jazz, and much more. The group features fiddle and keys by John Utphall, guitars by Dustin DeGolier, bass by Randy Sinz, …