Eric Wittenberg advised me yesterday that is has had to cancel the tour scheduled for May 20-22. He had not received the interest he had hoped for and could not reserve a smaller bus to accommodate those who had signed up.
Another tour is scheduled for October through Chambersburg Seminars and Tours. If interested you can check the site here, though the information was not current when checked this morning.
Sorry for the inconvenience but I hope to see some of you in the fall.