Performing compositions by such noted composers as Johann Sebastian Bach, Max Reger, Ned Rorem, Gwyneth Walker, and Léon Boëllmann, University of Dubuque organist and professor of music Dr. Charles Barland will deliver a faculty organ recital of varied works on September 10, the event demonstrating the many varieties of sound and color that are possible on the Heritage Center's John and Alice Butler Pipe Organ.