9 -9 8 -8 7 Hey, diddle diddle, -8 8 -9 8 -8 7 the cat and the fiddle. -8 8 8 9-9 8 -8 The cow jumped over the moon . 8 -9 -9 8 -9 8 -9 9 -10 The little dog laughed to see such fun 10 10 10 9 -9 8 9 -8 7 And the dish ran away with the spoon. (This can be played at the low end of the harmonica as well, but I like the squeaky sound way up here.)