Musician, poet and singer-songwriter Larry Kaplan (shown) will perform in a Rockland Folk Arts concert on Friday, August 9, at Sail, Power and Steam Museum, 75 Mechanic Street in Rockland. Doors open at 7 p.m. Admission is $15 at the door, cash or checks only. Kaplan paints musical portraits of people whose lives are defined by the sea and landscape of New England. He divides his time between London, England, and Essex, Connecticut, and has performed at folk venues and festivals in the U.S. and the U.K. Kaplan has recorded four solo CDs. For more information, call 593-8068 or visit Rockland Folk Arts on Facebook.