Throngs of people are expected to converge on Historic Bethlehem, Pennsylvania, Sept. 25-27, for the 22nd annual Celtic Classic. Presented by the nonprofit Celtic Cultural Alliance, the free event is a celebration of the Irish, Scottish and Welsh cultures and heritage. Its six stages of continuous entertainment will feature performances by Albannach, Barley Boys, Barleyjuice, Blackwater, Bua, Burning Bridget Cleary, Fil Campbell, Gaelic Storm (who close out the festival on Sunday night), Ontario’s Glengarry Bhoys, Kane & Beatty, Seamus Kennedy, Malinky, McPeake, Timlin & Kane, Town Pants, and Robert Watt & Charlie Zahm. Other musical attractions during the weekend include The Celtic Classic Invitational Pipe Band Competition and a fiddle competition. Irish and Highland dancers also...