Join the Choristers for the world premiere of James Mulholland’s “When Music Sounds,” composed to celebrate the choir’s 85th year as a community chorus and Dr. James B. Kinchen, Jr.’s 25th year as music director. The program also includes works by Felix Mendelssohn, Pablo Casals and Joseph M. Martin; spirituals by Moses Hogan and Roland Carter; and music from the Broadway classic, The Sound of Music.