Robby Robin liked music class. He loved to hear the young birds sing, and everyone seemed so happy when they were singing. Best of all, Mister Owl, the music teacher, was great. But one day Robby heard the mockingbirds whispering behind his back. They didn't like his voice and thought it sounded funny. So Robby stopped singing. Mister Owl didn't scold him. Instead, he told him something to think about. Find out what Robby decided to do.