Did the bear in the forest choir growl bass, the bark beetle hum tenor, the robin sing alto and the mouse squeak soprano? Animal ensembles come in all shapes and sizes – rather like the pieces of a jigsaw puzzle. The jungle orchestra conducted by a penguin features a monkey on the triangle, a hyena on the tuba, and a hippo with open maw that is about to sing an aria. The magic lantern shows a similarly fantastical quartet. Which pieces might the toads, crickets, ladybirds, and ants in the tall grass be performing?