On a peaceful tropical island, Ontamarama roam free. These gentle sound spirits, when properly conducted, offer the people of the land a beautiful and enchanting symphony. Wishing to rob the inhabitants of this joy, and evil demon begins to control the natives into capturing the Ontama. Two aspiring Ontamaestros, Beat and Rest, discover the plot and decide to foil the evil demon's scheme by challenging the villagers under the demon's control in order to release the trapped Ontama!