WASHINGTON– Looks like it’s not only the obsessed American audience that can’t get enough of HBO’s Game of Thrones. The Brits seem to be showing their love of the fantasy series, based on the best-selling books by George R.R. Martin, in a big way, too, lately.

There was the visit by Queen Elizabeth II to the show’s set in Northern Ireland in June. Then there was this British couple’s wedding. Now, the real-life Queen’s Guard has been captured on video playing a pretty good rendering of the show’s opening theme:

More on the backstory at Rolling Stone.