May the knowledge of John Williams cues be with you.
Harry Potter fans, we know what your Patronus is, by asking just 10 questions about your musical taste
What's a Patronus?
A Patronus is a charm which can be used to battle some of the darkest creatures in the magical world – the Dementors.
Here's how Remus Lupin explains the charm in the Harry Potter books: "You conjure it with an incantation, which will work only if you are concentrating, with all your might, on a single, very happy memory."
The charm takes the form of an animal with which you have a particular affinity. So we've put together a quiz for you to find out which animal would be your Patronus…