After breakfast he had said it over and over to himself until he had learnt it off by heart, and now he was humming it right through, properly. It went like this:
Tra-la-la, tra-la-la,
Rum-tum-tiddle-um-tum.
Tiddle-iddle, tiddle-iddle,
Tiddle-iddle, tiddle-iddle,
Rum-tum-tum-tiddle-um.