Steven Spielberg’s wife, Kate Capshaw, served as producer and art director on the video for Marcus Mumford’s “Cannibal” Steven Spielberg can now add music video director to his iconic résumé. Spielberg, 75, directed the official music video for Marcus Mumford’s “Cannibal,” the singer shared on social media. The song is featured on Mumford’s self-titled album, which is scheduled for a …