The Allen Artists Program Harold DeCou Harold DeCou is one of America's foremost sacred keyboard artists. His published works include volumes of music for the church organist as well as the church pianist. An accomplished performer on both the organ and piano, Harold has participated in concerts, workshops, evangelistic crusades and conferences throughout the United States, Canada and Europe. Click below to hear a sample of a performance by Harold DeCou: The Old Rugged Cross - Performed & arranged by Harold DeCou