Principal vocalist for Celtic Thunder and Ireland’s most exciting young tenor Emmet Cahill will present “Christmas in Ireland,” at 7 p.m., Dec. 6, at St. James by-the-Sea Episcopal Church, 743 Prospect St. The concert will feature many beloved holiday songs and carols, such as “Silent Night,” “Panis Angelicus,” “Have Yourself a Merry Little Christmas” and “O Holy Night,” as well as favorite classics from the Emerald Isle, including “Danny Boy,” “An Irish Lullaby” and more. Tickets start at $30 and can be purchased at emmetcahill.com/tour-dates/ or at the door.