Allison Taylor, a new student joins Lisa's class. Allison is smarter and more talented at the saxophone than Lisa. Lisa and Allison have a battle on who should be first chair. Lisa cannot play anymore at the end and Allison wins first chair!
Homer finds a load of sugar on the road and steals it for himself. He tries to sell the sugar for himself but Marge is against it. Suddenly, a rainstorm melts all the sugar and Homer is upset!
Lisa, still jealous, decides to beat Allison in the diorama contest. Bart gives Lisa a cow's heart to replace Allison's diorama. Lisa, feeling guilt, uncovers Allison's diorama. At the end, neither of the girls win but Ralph wins with his Star Wars figures.
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You may have missed: Allison has a poster of Bleeding Gums Murphy in her room!
Quote by Skinner: "Ah, Diorama-Rama, my next favorite school event next to 'Hearing Test Thursday!'"