"Say You Won't Let Go" is a romantic song by James Arthur, released in 2016. The lyrics express deep love and commitment, capturing the emotions of a relationship that grows stronger over time. The song's narrative follows a couple as they navigate life's challenges together, emphasizing the importance of being there for one another. The track features a blend of pop and acoustic elements, showcasing Arthur's soulful voice. It became a commercial success, topping charts in multiple countries and resonating with listeners for its heartfelt message. The song's relatable themes of love and devotion have made it a favorite at weddings and romantic occasions.