"Just been showing Professor Sprout the right way to doctor a Whomping Willow! But I don't want you running away with the idea that I'm better at Herbology than she is! I just happen to have met several of these exotic plants on my travels.."
The Leaky Cauldron is not associated with J.K. Rowling, Warner Bros., or any of the individuals or companies associated with producing and publishing Harry Potter books and films.
"The Leaky Song" by Brad Mehlenbacher of Draco and the Malfoys