PORTLAND – The folk duo Castlebay will perform at 7:30 p.m. Sunday, Feb. 1, at the St. Lawrence Arts and Community Center, 76 Congress St.

The duo – Julia Lane and Fred Gosbee – will be joined by Gaelic singer Holly Morrison and bagpiper Sue Mack in celebration of the Celtic holiday of Imbolc, also known as St Brigid’s Day. Admission: $10, $8. Call 775-5568. For more information, people may e-mail CeilidhHouse1@aol.com or phone (207) 688-4515.