Jake joins the band at school to play clarinet. Jake is stubborn and continually refuses to play the clarinet correctly as demanded by his band director and private music teacher. All Jake wants to do is play the clarinet his own way until he receives a mysterious letter in the mail from the Clarinet Wizard. The Wizard warns Jake that if he doesn't play his clarinet correctly and follow his teacher's instructions, his clarinet will shrink until he is unable to play it anymore. Jake discovers the secret to keeping his clarinet from shrinking by changing his attitude. Jake begins to follow his teacher's instruction and becomes really good on the clarinet. Includes ten songs written for the story.