Grace Notes, heard Sunday through Friday at 7 a.m., 2 p.m. and 7 p.m., and on Saturday at 4 p.m., offers tidbits of musical trivia that provide a delightful glimpse at the triumphs and trials of men and women from the world of classical music. Host Norm Gilliland, sometimes assisted by his colleagues at Wisconsin Public Radio, narrates stories of hope, humor, and hubris from the world of classical music.