Also, a ‘peach’ of a festival at Linvilla, Old Fiddlers’ Picnic and more By Denny Dyroff, Staff Writer, The Times The Kennett Symphony of Chester County will present a show titled “Symphony Under the Stars” at 7 p.m. at Longwood Gardens’ Open Air Theatre on Aug. 9. When certain things get paired together, the result is unbeatable combination — things like fresh ripe peaches...