Frank Marsales gives us a little lively instrumental of "Get Happy" before we are introduced to some squeaking mice who like to come out to play after midnight has struck on their clock. They are in a music room with it's wind-up gramophone to which they all - and there are millions of them - dance. Then they have a go on the drum, the accordion, practise some military precision marching. One even has a go on the French horn though, and that's their mistake. It disturbs the cat outside in the rain! Still obliviously mucking about on the piano, their feline foe is figuring a way to get into that...