half hidden welcomes visitors to their exhibition “many portals”  viewable and listenable every Friday 4-6 and Saturday 11-6, during the month of September, at 100 1/2 Main Street. Visual arts, secret garden, wordy surprises, aural treats, and an esoteric library with offerings by Matt LeFleur, Melissa Thorne, Nancy Diamond, Emily Sprague, Brian Crabtree, Heather Phelps-Lipton, Kelli Cain, Dan Derks, Jesse Bransford, Trent Gill, and Sean Hellfritsh.