A performance by members of the Duluth-Superior Symphony Orchestra is scheduled at the Grand Marais Public Library at noon Thursday, May 25. The Sound of Strings Duo, comprised of Michelle Gribbon on violin, and Christina Roytz Branham on cello is to present a program titled “Music from the heart” and feature selections by Gribbon, Paganini, Elgar, Delibes, and more. This concert at the library is funded by a grant from the Lloyd K. Johnson Foundation, and is the final of four lunch-time performances that offered in the library through the spring.