Several bands from southwestern Ontario are scheduled to play at the Canatara Park Bandshell as part of a fundraiser for Ryan's House.Punk Rock Picnic will be held on Saturday, June 20, from 3 p.m. until 9 p.m.Co-organizer Desiree Percival said it's exciting to have the event return, as it hasn't been held since before the COVID-19 pandemic. Before the pause, Percival said the event usually drew in a crowd of 150 to 200 people."You can expect si…