Grey Seal by Elton John, from the United Kingdom, is a rock song that delves into notions of wisdom, self-reflection, and growth. The key themes revolve around the search for meaning and understanding in life. The song uses the metaphor of a 'Grey Seal' to symbolize an enigmatic source of wisdom or a guide to enlightenment. Poignant moments include the lyrics where the narrator questions the nature of truth and reality, suggesting an introspective journey of self-discovery.