Dee Perry is looking forward to seeing you in Star Plaza across the street from the Idea Center at Playhouse Square for another edition of Open Air.We find out who or what lived in ideastream's neighborhood 300 million years ago from The Cleveland Natural History Museum's Harvery Webster…there 's toe-tapping music from the Emerald Isle from the duo The New Barleycorn…and the Plain Dealer’s Clint O’Connor tells you the best places to spread your beach blanket and watch some summer flicks.