Island Sinfonia will perform at 3 p.m., Sunday, April 30 at St. David’s Episcopal Church at 780 Park St. in Friday Harbor. They will perform works by Aaron Copland, George Handel, Leroy Anderson, Anton Dvorak, Harold Arlen, Ludwig van Beethoven, and Vincent Youmans. The conductor is Jim Shaffer-Bauck and the guest conductor is Ned Griffin.