Episode Description: Beware, spoilers! To read - hover over the text.
Lisa is upset and it affects her grades at school. Not Marge nor Homer can't cheer her up. One night she hears from jazz and leaves home to find the artist. She meets bleeding Gums Murphy, who teaches her to Express your mood through music. When, the next day, Marge drives Lisa to school, teaches her to constantly smile regardless of your mood.