The Infamous Stringdusters’ Silver Sky tour swings through rural Pennsylvania June 22 and 23 at elseFest in Wagontown, Chester County, outside Philadelphia. elseFest is a two-day bluegrass, jamgrass and acoustic music festival. The Dusters headline Saturday, and are supported by Railroad Earth’s Todd Sheaffer with special guest David Mansfield.Friday’s headliner is world renowned acoustic guitarist Andy McKee, supported by three of the finest finger style percussion guitarists touring today. Tickets are $35 for Friday or Saturday, or $45 for the weekend and are available online (www.elsefest.com) or at the front gate.