The first episode of season 7 of Game of Thrones has come and gone, but fans are still talking about it. One of the buzz-worthy moments was the surprise cameo of Ed Sheeran. The folk musician was in a scene with Arya Stark, where she rides upon a group of soldiers singing. Some fans were unhappy with the cameo, but it isn't the first time that a musician has appeared on the show. Check out the video below to find out the story behind Sheeran's cameo.